Observed 9:15 AM CDT at KMDS

Lake Madison, SD weather

Overcast and 54°12°, 8°4° warmer than a typical Oct 24, rain ~11 AM–1 PM (57%).

Mostly agree

Now 54°12°

Cloudy

Wind: 15 mph24 km/hgusts 31 mph50 km/h; From the northwest. Easing to 5 mph8 km/h by 7 PM
Dew point: 54°12°; Comfortable · down to 45°7° by 1 PM
Humidity: 100%; Air 54°12°, dew point 54°12° · fog or dew likely
UV index: 1Low; Moderate 1–3 PM · peak 3
Pressure (notable): 30.12 inHg1020 hPa; Rising fast · +0.11 inHg+3.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

7°4° cooler than this time yesterday (61°16° then, 54°12° now)

Good hours for

Rain until 7 PM (60%, 0.27 in6.9 mm)
Gusts to 31 mph50 km/h until 1 PM
Dry break tonight 7 PM–3 AM
Below 50°10° tonight after 9 PM
Rain tonight from 3 AM (100%, 3.7 in93 mm)

This morningNear 56°13° · Rain all morning (60%) · gusts to 31 mph50 km/h
This afternoonNear 54°12° · Rain all afternoon (50%) · gusts to 25 mph40 km/h
TonightDown to 43°6° by 5 AM · Rain 6–7 PM (20%)
Tomorrow morningUp to 47°8° by 11 AM · Rain all morning (70%)
Tomorrow afternoonNear 48°9° · Rain all afternoon (50%)
Tomorrow nightDown to 38°3° by 5 AM · Rain all night (90%) · gusts to 27 mph43 km/h
Monday morningNear 38°3° · Rain all morning (100%) · gusts to 29 mph47 km/h

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 10a	Drizzle	57°14° (likely 53°12° to 59°15°)	57°14°	60%, 0.01 in0.3 mm	15 mph24 km/h from NW, gusts 31 mph50 km/h	81%	100%	1
Sat 11a	Cloudy	55°13° (likely 53°12° to 57°14°)	55°13°	60%, 0.01 in0.3 mm	20 mph32 km/h from NNW, gusts 31 mph49 km/h	77%	80%	2
Sat 12p	Showers	55°13° (likely 52°11° to 55°13°)	55°13°	50%, 0.01 in0.3 mm	20 mph32 km/h from NNW, gusts 25 mph41 km/h	74%	90%	2
Sat 1p	Showers	54°12° (likely 50°10° to 54°12°)	54°12°	50%, 0.04 in1 mm	15 mph24 km/h from NNW, gusts 24 mph38 km/h	70%	100%	3
Sat 2p	Showers	53°12° (likely 49°9° to 53°12°)	53°12°	40%, 0.04 in1 mm	15 mph24 km/h from NNW, gusts 19 mph31 km/h	70%	99%	3
Sat 3p	Showers	53°12° (likely 49°9° to 53°12°)	53°12°	20%, 0.04 in1 mm	15 mph24 km/h from NNW, gusts 17 mph28 km/h	67%	95%	2
Sat 4p	Cloudy	53°12° (likely 49°9° to 53°12°)	53°12°	20%, 0.04 in1 mm	15 mph24 km/h from NNW, gusts 17 mph28 km/h	66%	97%	1
Sat 5p	Cloudy	52°11° (likely 49°9° to 52°11°)	52°11°	20%, 0.04 in1 mm	10 mph16 km/h from N, gusts 14 mph23 km/h	66%	99%	0
Sat 6p	Cloudy	52°11° (likely 48°9° to 52°11°)	52°11°	20%, 0.04 in1 mm	10 mph16 km/h from N, gusts 12 mph19 km/h	69%	84%	0
Sat 7p	Showers	50°10° (likely 47°8° to 51°11°)	47°8°	20%, 0.01 in0.3 mm	5 mph8 km/h from N, gusts 13 mph21 km/h	74%	91%	0
Sat 8p	Drizzle	50°10° (likely 47°8° to 51°11°)	47°8°	20%, 0.01 in0.3 mm	5 mph8 km/h from N, gusts 7 mph12 km/h	76%	100%	0
Sat 9p	Drizzle	49°9° (likely 47°8° to 51°11°)	47°8°	20%, 0.01 in0.3 mm	5 mph8 km/h from N, gusts 5 mph8 km/h	76%	92%	0
Sat 10p	Cloudy	49°9° (likely 47°8° to 50°10°)	47°8°	10%, 0.01 in0.3 mm	5 mph8 km/h from N, gusts 6 mph10 km/h	74%	100%	0
Sat 11p	Cloudy	49°9° (likely 47°8° to 50°10°)	47°8°	5%, 0.01 in0.3 mm	5 mph8 km/h from NNE, gusts 3 mph5 km/h	68%	99%	0
Sun 12a	Cloudy	47°8° (likely 46°8° to 49°9°)	45°7°	10%, 0.01 in0.3 mm	5 mph8 km/h from NNE, gusts 5 mph8 km/h	71%	99%	0
Sun 1a	Cloudy	46°8° (likely 46°8° to 49°9°)	44°7°	20%, 0.02 in0.5 mm	5 mph8 km/h from NNE, gusts 6 mph10 km/h	65%	99%	0
Sun 2a	Cloudy	46°8° (likely 46°8° to 49°9°)	44°7°	20%, 0.02 in0.5 mm	5 mph8 km/h from NE, gusts 10 mph16 km/h	65%	100%	0
Sun 3a	Cloudy	45°7° (likely 45°7° to 48°9°)	42°6°	20%, 0.02 in0.5 mm	5 mph8 km/h from NE, gusts 15 mph24 km/h	68%	100%	0
Sun 4a	Cloudy	45°7° (likely 45°7° to 47°8°)	42°6°	20%, 0.02 in0.5 mm	5 mph8 km/h from NE, gusts 16 mph26 km/h	65%	100%	0
Sun 5a	Showers	43°6° (likely 43°6° to 47°8°)	39°4°	20%, 0.02 in0.5 mm	5 mph8 km/h from ENE, gusts 17 mph27 km/h	70%	99%	0
Sun 6a	Showers	42°6° (likely 42°6° to 46°8°)	38°3°	50%, 0.02 in0.5 mm	5 mph8 km/h from ENE, gusts 16 mph25 km/h	73%	100%	0
Sun 7a	Showers	42°6° (likely 42°6° to 46°8°)	38°3°	50%, 0.03 in0.8 mm	10 mph16 km/h from ENE, gusts 16 mph26 km/h	65%	100%	0
Sun 8a	Cloudy	41°5° (likely 41°5° to 46°8°)	36°2°	60%, 0.03 in0.8 mm	10 mph16 km/h from ENE, gusts 18 mph29 km/h	70%	100%	0
Sun 9a	Cloudy	42°6° (likely 42°6° to 47°8°)	37°3°	60%, 0.03 in0.8 mm	10 mph16 km/h from ENE, gusts 15 mph25 km/h	70%	100%	0
Sun 10a	Showers	46°8° (likely 43°6° to 47°8°)	41°5°	70%, 0.03 in0.8 mm	10 mph16 km/h from ENE, gusts 18 mph28 km/h	71%	100%	0
Sun 11a	Rain	47°8° (likely 43°6° to 48°9°)	42°6°	60%, 0.03 in0.8 mm	10 mph16 km/h from ENE, gusts 17 mph27 km/h	68%	100%	0
Sun 12p	Drizzle	48°9° (likely 43°6° to 48°9°)	43°6°	50%, 0.03 in0.8 mm	10 mph16 km/h from ENE, gusts 17 mph28 km/h	65%	100%	0
Sun 1p	Drizzle	48°9° (likely 43°6° to 48°9°)	43°6°	40%, 0.02 in0.5 mm	10 mph16 km/h from ENE, gusts 19 mph30 km/h	65%	99%	0
Sun 2p	Drizzle	47°8° (likely 42°6° to 48°9°)	42°6°	40%, 0.02 in0.5 mm	10 mph16 km/h from NE, gusts 21 mph34 km/h	68%	100%	0
Sun 3p	Cloudy	48°9° (likely 42°6° to 48°9°)	43°6°	40%, 0.02 in0.5 mm	10 mph16 km/h from NE, gusts 22 mph35 km/h	63%	100%	0
Sun 4p	Cloudy	48°9° (likely 42°6° to 48°9°)	43°6°	40%, 0.02 in0.5 mm	15 mph24 km/h from NE, gusts 23 mph38 km/h	63%	100%	0
Sun 5p	Cloudy	48°9° (likely 41°5° to 48°9°)	43°6°	40%, 0.02 in0.5 mm	15 mph24 km/h from NE, gusts 24 mph39 km/h	63%	100%	0
Sun 6p	Cloudy	48°9° (likely 41°5° to 48°9°)	43°6°	60%, 0.02 in0.5 mm	15 mph24 km/h from NE, gusts 24 mph38 km/h	63%	100%	0
Sun 7p	Cloudy	45°7° (likely 41°5° to 46°8°)	39°4°	80%, 0.07 in1.8 mm	15 mph24 km/h from NE, gusts 21 mph34 km/h	68%	100%	0
Sun 8p	Cloudy	44°7° (likely 41°5° to 45°7°)	38°3°	80%, 0.07 in1.8 mm	10 mph16 km/h from ENE, gusts 22 mph36 km/h	70%	100%	0
Sun 9p	Cloudy	43°6° (likely 42°6° to 45°7°)	37°3°	80%, 0.07 in1.8 mm	10 mph16 km/h from ENE, gusts 24 mph38 km/h	73%	100%	0
Sun 10p	Cloudy	42°6° (likely 42°6° to 45°7°)	36°2°	80%, 0.07 in1.8 mm	10 mph16 km/h from ENE, gusts 25 mph40 km/h	76%	100%	0
Sun 11p	Drizzle	41°5° (likely 41°5° to 44°7°)	34°1°	80%, 0.07 in1.8 mm	10 mph16 km/h from ENE, gusts 24 mph39 km/h	79%	100%	0
Mon 12a	Drizzle	41°5° (likely 41°5° to 44°7°)	34°1°	80%, 0.07 in1.8 mm	10 mph16 km/h from ENE, gusts 24 mph38 km/h	82%	100%	0
Mon 1a	Rain	41°5° (likely 41°5° to 43°6°)	34°1°	90%, 0.31 in7.9 mm	15 mph24 km/h from ENE, gusts 26 mph42 km/h	82%	100%	0
Mon 2a	Rain	40°4° (likely 40°4° to 43°6°)	33°1°	90%, 0.31 in7.9 mm	15 mph24 km/h from ENE, gusts 26 mph42 km/h	85%	100%	0
Mon 3a	Drizzle	40°4° (likely 40°4° to 43°6°)	32°0°	90%, 0.31 in7.9 mm	15 mph24 km/h from ENE, gusts 26 mph42 km/h	89%	100%	0
Mon 4a	Drizzle	39°4° (likely 39°4° to 43°6°)	31°−1°	90%, 0.31 in7.9 mm	15 mph24 km/h from ENE, gusts 26 mph42 km/h	92%	100%	0
Mon 5a	Rain	38°3° (likely 38°3° to 43°6°)	29°−2°	90%, 0.31 in7.9 mm	15 mph24 km/h from ENE, gusts 27 mph43 km/h	96%	100%	0
Mon 6a	Drizzle	37°3° (likely 37°3° to 43°6°)	28°−2°	90%, 0.31 in7.9 mm	15 mph24 km/h from ENE, gusts 27 mph43 km/h	100%	100%	0
Mon 7a	Showers	36°2° (likely 36°2° to 43°6°)	26°−3°	100%, 0.34 in8.6 mm	15 mph24 km/h from ENE, gusts 29 mph46 km/h	100%	100%	0
Mon 8a	Rain	37°3° (likely 37°3° to 43°6°)	28°−2°	100%, 0.34 in8.6 mm	15 mph24 km/h from ENE, gusts 27 mph43 km/h	100%	100%	0
Mon 9a	Rain	39°4° (likely 39°4° to 43°6°)	30°−1°	100%, 0.34 in8.6 mm	15 mph24 km/h from ENE, gusts 28 mph45 km/h	96%	100%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Showers. High 62°17°, low 40°4°. Typical 54°12° / 32°0°. Rain 0.19 in4.8 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  60% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Showers, 55°13°
  50% chance · 0.21 in5.3 mm
3. Evening
  6 PM–midnight
  Showers, 50°10°
  20% chance · 0.09 in2.3 mm
4. Overnight
  midnight–6 AM
  Showers, 43°6°
  20% chance · 0.11 in2.8 mm
Official NWS forecast
Today: A chance of rain showers. Mostly cloudy. High near 62, with temperatures falling to around 52 in the afternoon. North northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Tonight: A slight chance of rain showers. Mostly cloudy. Low around 40, with temperatures rising to around 43 overnight. North northeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
40°4°–50°10°
Typical high / low
54°12° / 32°0°
Wind
23 mph36 km/h, gusts 39 mph62 km/h
UV peak
3
Tomorrow, Oct 25. Rain. High 49°9°, low 35°2°. Typical 54°12° / 32°0°. Rain 0.24 in6.1 mm, 70% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Rain, 41°5°
  70% chance · 0.17 in4.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 48°9°
  50% chance · 0.13 in3.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 44°7°
  80% chance · 0.37 in9.4 mm
4. Overnight
  midnight–6 AM
  Rain, 38°3°
  90% chance · 1.6 in41 mm
Official NWS forecast
Day: Rain showers likely. Cloudy, with a high near 49. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Night: Rain showers. Cloudy. Low around 35, with temperatures rising to around 38 overnight. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
47°8°–49°9°
Low, likely
35°2°–44°7°
Typical high / low
54°12° / 32°0°
Wind
16 mph26 km/h, gusts 29 mph47 km/h
Monday, Oct 26. Showers. High 47°8°, low 37°3°. Typical 53°12° / 31°−1°. Rain 1 in26 mm, 100% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 37°3°
  100% chance · 1.5 in38 mm
2. Afternoon
  noon–6 PM
  Rain, 44°7°
  90% chance · 0.2 in5.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 45°7°
  80% chance · 0.16 in4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 45°7°
  80% chance · 0.05 in1.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain showers. Cloudy, with a high near 47. East northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Night: Rain showers before 10pm, then showers and thunderstorms. Cloudy, with a low around 37. East southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–51°11°
Low, likely
37°3°–42°6°
Typical high / low
53°12° / 31°−1°
Wind
20 mph31 km/h, gusts 31 mph50 km/h
Tuesday, Oct 27. Showers. High 55°13°, low 42°6°. Typical 53°12° / 31°−1°. Rain 0.14 in3.6 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 42°6°
  30% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 53°12°
  30% chance · 0.08 in2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 49°9°
  30% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain showers likely before 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–59°15°
Low, likely
41°5°–43°6°
Typical high / low
53°12° / 31°−1°
Wind
19 mph30 km/h, gusts 32 mph51 km/h
UV peak
4
Wednesday, Oct 28. Drizzle. High 59°15°, low 38°3°. Typical 52°11° / 30°−1°. Rain 0.06 in1.5 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 1pm. Mostly sunny, with a high near 59. Chance of precipitation is 50%.
Night: Mostly clear, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–61°16°
Low, likely
38°3°–48°9°
Typical high / low
52°11° / 30°−1°
Wind
17 mph28 km/h, gusts 33 mph54 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 59°15°, low 42°6°. Typical 52°11° / 30°−1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 59.
Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–63°17°
Low, likely
40°4°–45°7°
Typical high / low
52°11° / 30°−1°
Wind
11 mph18 km/h, gusts 33 mph53 km/h
UV peak
3
Friday, Oct 30. Showers. High 60°16°, low 42°6°. Typical 51°11° / 30°−1°. Rain 0.21 in5.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  20% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Rain, 60°15°
  30% chance · 0.19 in4.9 mm
4. Overnight
  midnight–6 AM
  Rain, 58°15°
  40% chance · 0.08 in2.1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 60. Chance of precipitation is 30%.
Night: A chance of rain showers. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–69°21°
Low, likely
42°6°–53°12°
Typical high / low
51°11° / 30°−1°
Wind
17 mph28 km/h, gusts 36 mph58 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 61°16°, low 55°13°. Typical 50°10° / 29°−2°. Rain 0.28 in7.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  40% chance · 0.03 in0.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 61°16°
  40% chance · 0.05 in1.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 60°16°
  40% chance · 0.04 in1.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  30% chance · 0.04 in0.9 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–67°19°
Low, likely
46°8°–61°16°
Typical high / low
50°10° / 29°−2°
Wind
20 mph33 km/h, gusts 38 mph61 km/h
Sunday, Nov 1. Drizzle. High 58°14°, low 47°8°. Typical 50°10° / 29°−2°. Rain 0.28 in7.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  30% chance · 0.1 in2.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Showers, 51°11°
  20% chance · 0.1 in2.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 45°7°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–65°18°
Low, likely
40°4°–58°14°
Typical high / low
50°10° / 29°−2°
Wind
28 mph44 km/h, gusts 45 mph72 km/h
Monday, Nov 2. Cloudy. High 55°13°, low 45°7°. Typical 49°9° / 28°−2°. Rain 0.12 in3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 53°12°
  30% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Drizzle, 51°11°
  30% chance · 0.22 in5.7 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–62°17°
Low, likely
39°4°–56°13°
Typical high / low
49°9° / 28°−2°
Wind
26 mph42 km/h, gusts 45 mph72 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
61% chance of rain, high 62°, low 40°.
Tomorrow
70% chance of rain, high 49°, low 35°, cooling off.
Monday
95% chance of rain, high 47°, low 37°.
Rest of week
Highs 55–61°; chance of precipitation on Tuesday, Wednesday, Saturday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (FSD) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Skunk Creek near Chester

12 mi

Below flood stage

Level: 0.8 ft

Reading from Sat 9 AM · NWS gauge page

East Fork Vermillion River above Montrose

15 mi

Below flood stage

Level: 1520 ft
Flow: under 1 cfs

Reading from Sat 9 AM · NWS gauge page

Bachelor Creek (SD) near Trent

15 mi

Below flood stage

Level: 1529 ft
Flow: under 1 cfs

Reading from Sat 9:15 AM · NWS gauge page

Big Sioux River near Dell Rapids

18 mi

Below flood stage

Level: 3.2 ft
Flow: 102 cfs

Reading from Sat 8:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 77% less heating than a typical week.

This week 38Typical 163

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 28
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 10 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 54°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Madison 2se · official normals 1991–2020 · records 1961–2026

Oct 24, today vs a typical year

Today’s expected high is 8°4° warmer than typical.

Last 7 days vs normal

On average 11°6° warmer than normal (daily mean temperature).

+6°+3°SunOct 18
+8°+4°MonOct 19
+8°+4°TueOct 20
+11°+6°WedOct 21
+13°+7°ThuOct 22
+22°+12°FriOct 23
—SatOct 24

Lake Madison weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 35 min; Losing 2 min 49 s a day; shortest Dec 21, 1 h 42 min less
Golden hour: 5:49–6:47 PM; Morning 7:36–8:34 AM
Blue hour: 6:47–6:59 PM; Morning 7:24–7:36 AM; first light 7:24 AM

Stars tonight? Poor

Clouds most of the night (about 97% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:07 AM · rises 5:28 PM
Full moon: Oct 25
New moon: Nov 9

Looking northwest from Lake Madison. The highest point on the skyline is about 3,300 ft, 29 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Lake Madison, SD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Skunk Creek near Chester

East Fork Vermillion River above Montrose

Bachelor Creek (SD) near Trent

Big Sioux River near Dell Rapids

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon