Observed 4:35 PM CDT at KCNB

Clear Lake, SD weather

Mostly cloudy and 50°10°, rain tomorrow ~11 AM–4 PM (99%).

Forecasts agree

Now 50°10°

Mostly cloudy

Wind: 6 mph9 km/h; From the northwest. 58–7 mph11 km/h through 5 AM
Dew point: 43°6°; Comfortable · down to 33°1° by 8 PM (dry)
UV tomorrow: 1Low; Low all day (peak 1)
Air quality: 19Good; Main pollutant: PM10 (dust)
Pressure: 30.33 inHg1027 hPa; Rising slowly · +0.03 inHg+1.1 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Dry until 9 AM tomorrow
Low 39°4° tomorrow at 7 AM
Rain tomorrow from 9 AM (100%, 4.7 in119 mm)
Gusts to 26 mph42 km/h Monday 10–11 AM
Gusts to 30 mph48 km/h Monday from 1 PM

TonightDown to 40°4° by 5 AM · Mostly cloudy
Tomorrow morningUp to 45°7° by 11 AM · Rain 9 AM–noon (40%)
Tomorrow afternoonNear 44°7° · Rain all afternoon (70%)
Tomorrow nightDown to 38°3° by 5 AM · Rain all night (90%)
Monday morningNear 39°4° · Rain all morning (100%) · gusts to 26 mph42 km/h
Monday afternoonNear 41°5° · Rain all afternoon (100%) · gusts to 30 mph48 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 5p	Cloudy	48°9° (likely 47°8° to 50°10°)	44°7°	5%, 0.02 in0.5 mm	9 mph14 km/h from NNW, gusts 13 mph21 km/h	71%	91%	0
Sat 6p	Cloudy	47°8° (likely 47°8° to 49°9°)	44°7°	5%, 0.02 in0.5 mm	7 mph11 km/h from NNW, gusts 12 mph20 km/h	71%	88%	0
Sat 7p	Cloudy	47°8° (likely 47°8° to 48°9°)	45°7°	0%	6 mph10 km/h from NNW, gusts 12 mph19 km/h	65%	82%	0
Sat 8p	Cloudy	48°9° (likely 46°8° to 48°9°)	46°8°	0%	5 mph8 km/h from NNW, gusts 10 mph16 km/h	56%	81%	0
Sat 9p	Cloudy	47°8° (likely 46°8° to 47°8°)	45°7°	0%	5 mph8 km/h from NNW, gusts 9 mph14 km/h	56%	81%	0
Sat 10p	Cloudy	46°8° (likely 44°7° to 46°8°)	44°7°	0%	5 mph8 km/h from NNW, gusts 7 mph12 km/h	53%	81%	0
Sat 11p	Cloudy	46°8° (likely 43°6° to 46°8°)	44°7°	0%	5 mph8 km/h from N, gusts 9 mph14 km/h	53%	86%	0
Sun 12a	Cloudy	45°7° (likely 43°6° to 45°7°)	43°6°	0%	5 mph8 km/h from N, gusts 9 mph14 km/h	53%	88%	0
Sun 1a	Cloudy	43°6° (likely 43°6° to 45°7°)	40°4°	0%	5 mph8 km/h from N, gusts 9 mph14 km/h	55%	85%	0
Sun 2a	Mostly cloudy	43°6° (likely 42°6° to 44°7°)	40°4°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	55%	67%	0
Sun 3a	Mostly cloudy	42°6° (likely 41°5° to 44°7°)	39°4°	5%	5 mph8 km/h from NNE, gusts 8 mph12 km/h	55%	70%	0
Sun 4a	Clear	41°5° (likely 40°4° to 43°6°)	37°3°	5%	6 mph10 km/h from NNE, gusts 7 mph11 km/h	55%	40%	0
Sun 5a	Cloudy	40°4° (likely 39°4° to 43°6°)	36°2°	5%	6 mph10 km/h from NNE, gusts 8 mph12 km/h	59%	59%	0
Sun 6a	Cloudy	40°4° (likely 38°3° to 42°6°)	36°2°	5%	6 mph10 km/h from NE, gusts 9 mph15 km/h	59%	89%	0
Sun 7a	Cloudy	39°4° (likely 38°3° to 42°6°)	35°2°	20%, 0.01 in0.3 mm	6 mph10 km/h from NE, gusts 9 mph14 km/h	62%	100%	0
Sun 8a	Cloudy	39°4° (likely 38°3° to 42°6°)	35°2°	20%, 0.01 in0.3 mm	6 mph10 km/h from NE, gusts 9 mph14 km/h	62%	100%	0
Sun 9a	Cloudy	41°5° (likely 40°4° to 43°6°)	36°2°	30%, 0.01 in0.3 mm	7 mph11 km/h from NE, gusts 12 mph20 km/h	62%	100%	0
Sun 10a	Cloudy	44°7° (likely 42°6° to 44°7°)	39°4°	40%, 0.01 in0.3 mm	8 mph13 km/h from NE, gusts 14 mph23 km/h	58%	100%	0
Sun 11a	Cloudy	45°7° (likely 42°6° to 45°7°)	41°5°	40%, 0.01 in0.3 mm	8 mph13 km/h from ENE, gusts 15 mph25 km/h	55%	100%	0
Sun 12p	Cloudy	44°7° (likely 42°6° to 45°7°)	39°4°	50%, 0.01 in0.3 mm	8 mph13 km/h from ENE, gusts 16 mph25 km/h	58%	100%	1
Sun 1p	Cloudy	45°7° (likely 43°6° to 46°8°)	40°4°	70%, 0.04 in1 mm	9 mph14 km/h from ENE, gusts 14 mph22 km/h	58%	100%	0
Sun 2p	Drizzle	45°7° (likely 42°6° to 45°7°)	40°4°	70%, 0.04 in1 mm	9 mph14 km/h from NE, gusts 10 mph16 km/h	55%	100%	0
Sun 3p	Rain	44°7° (likely 42°6° to 45°7°)	39°4°	40%, 0.04 in1 mm	9 mph14 km/h from NE, gusts 17 mph27 km/h	58%	100%	0
Sun 4p	Rain	43°6° (likely 41°5° to 44°7°)	38°3°	50%, 0.04 in1 mm	9 mph14 km/h from NE, gusts 19 mph31 km/h	62%	100%	0
Sun 5p	Rain	43°6° (likely 41°5° to 44°7°)	37°3°	50%, 0.04 in1 mm	10 mph16 km/h from NE, gusts 20 mph33 km/h	65%	100%	0
Sun 6p	Rain	42°6° (likely 40°4° to 43°6°)	36°2°	50%, 0.04 in1 mm	10 mph16 km/h from NE, gusts 18 mph29 km/h	67%	100%	0
Sun 7p	Rain	41°5° (likely 40°4° to 42°6°)	35°2°	40%, 0.04 in1 mm	10 mph16 km/h from NE, gusts 17 mph27 km/h	73%	100%	0
Sun 8p	Drizzle	41°5° (likely 39°4° to 42°6°)	35°2°	50%, 0.04 in1 mm	10 mph16 km/h from NE, gusts 19 mph30 km/h	73%	100%	0
Sun 9p	Rain	41°5° (likely 39°4° to 42°6°)	35°2°	50%, 0.04 in1 mm	10 mph16 km/h from NE, gusts 20 mph32 km/h	73%	100%	0
Sun 10p	Rain	41°5° (likely 39°4° to 42°6°)	35°2°	50%, 0.04 in1 mm	10 mph16 km/h from NE, gusts 22 mph35 km/h	73%	100%	0
Sun 11p	Rain	41°5° (likely 39°4° to 41°5°)	35°2°	60%, 0.04 in1 mm	10 mph16 km/h from NE, gusts 20 mph31 km/h	76%	100%	0
Mon 12a	Drizzle	40°4° (likely 38°3° to 41°5°)	33°1°	70%, 0.04 in1 mm	10 mph16 km/h from NE, gusts 20 mph33 km/h	79%	100%	0
Mon 1a	Rain	40°4° (likely 38°3° to 41°5°)	33°1°	80%, 0.13 in3.3 mm	12 mph19 km/h from NE, gusts 21 mph35 km/h	79%	100%	0
Mon 2a	Rain	39°4° (likely 38°3° to 41°5°)	32°0°	70%, 0.13 in3.3 mm	12 mph19 km/h from NE, gusts 20 mph33 km/h	85%	100%	0
Mon 3a	Drizzle	39°4° (likely 38°3° to 41°5°)	32°0°	80%, 0.13 in3.3 mm	12 mph19 km/h from NE, gusts 21 mph34 km/h	85%	100%	0
Mon 4a	Rain	39°4° (likely 38°3° to 41°5°)	31°−1°	90%, 0.13 in3.3 mm	13 mph21 km/h from ENE, gusts 22 mph35 km/h	82%	100%	0
Mon 5a	Rain	38°3° (likely 38°3° to 40°4°)	30°−1°	90%, 0.13 in3.3 mm	14 mph23 km/h from ENE, gusts 22 mph35 km/h	85%	100%	0
Mon 6a	Rain	37°3° (likely 37°3° to 40°4°)	28°−2°	90%, 0.13 in3.3 mm	15 mph24 km/h from ENE, gusts 24 mph39 km/h	92%	100%	0
Mon 7a	Drizzle	37°3° (likely 37°3° to 40°4°)	28°−2°	100%, 0.35 in8.9 mm	16 mph26 km/h from ENE, gusts 21 mph34 km/h	92%	100%	0
Mon 8a	Rain	36°2° (likely 36°2° to 39°4°)	26°−3°	100%, 0.35 in8.9 mm	16 mph26 km/h from ENE, gusts 23 mph37 km/h	92%	100%	0
Mon 9a	Rain	37°3° (likely 36°2° to 39°4°)	28°−2°	100%, 0.35 in8.9 mm	16 mph26 km/h from ENE, gusts 24 mph38 km/h	92%	100%	0
Mon 10a	Rain	39°4° (likely 36°2° to 39°4°)	30°−1°	100%, 0.35 in8.9 mm	16 mph26 km/h from ENE, gusts 26 mph42 km/h	89%	100%	0
Mon 11a	Rain	40°4° (likely 36°2° to 40°4°)	32°0°	100%, 0.35 in8.9 mm	16 mph26 km/h from ENE, gusts 25 mph40 km/h	89%	100%	0
Mon 12p	Rain	40°4° (likely 37°3° to 40°4°)	31°−1°	100%, 0.35 in8.9 mm	17 mph27 km/h from ENE, gusts 24 mph39 km/h	89%	100%	0
Mon 1p	Rain	40°4° (likely 37°3° to 40°4°)	31°−1°	100%, 0.32 in8.1 mm	17 mph27 km/h from ENE, gusts 27 mph43 km/h	89%	100%	0
Mon 2p	Rain	40°4° (likely 37°3° to 40°4°)	31°−1°	100%, 0.32 in8.1 mm	17 mph27 km/h from ENE, gusts 28 mph45 km/h	89%	100%	0
Mon 3p	Rain	41°5° (likely 37°3° to 41°5°)	32°0°	100%, 0.32 in8.1 mm	17 mph27 km/h from ENE, gusts 29 mph47 km/h	86%	100%	0
Mon 4p	Rain	41°5° (likely 37°3° to 41°5°)	32°0°	100%, 0.32 in8.1 mm	17 mph27 km/h from ENE, gusts 30 mph49 km/h	86%	100%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Drizzle. High 62°17°, low 37°3°. Rain 0.14 in3.6 mm, 5% chance. Forecasts agree.
1. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
2. Overnight
  midnight–6 AM
  Mostly cloudy, 40°4°
  Dry
Official NWS forecast
Today: Cloudy. High near 62, with temperatures falling to around 48 in the afternoon. North northwest wind around 9 mph. New rainfall amounts less than a tenth of an inch possible.
Tonight: Mostly cloudy. Low around 37, with temperatures rising to around 40 overnight. North wind around 7 mph. New rainfall amounts less than a tenth of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–66°19°
Low, likely
37°3°–45°7°
Wind
24 mph38 km/h, gusts 49 mph79 km/h
UV peak
2
Tomorrow, Oct 25. Rain. High 46°8°, low 34°1°. Rain 0.22 in5.6 mm, 70% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 39°4°
  40% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Rain, 45°7°
  70% chance · 0.21 in5.3 mm
3. Evening
  6 PM–midnight
  Rain, 41°5°
  60% chance · 0.24 in6.1 mm
4. Overnight
  midnight–6 AM
  Rain, 38°3°
  90% chance · 0.69 in18 mm
Official NWS forecast
Day: Rain likely after 7am. Cloudy. High near 46, with temperatures falling to around 43 in the afternoon. Northeast wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Night: Rain. Cloudy, with a low around 34. Northeast wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
43°6°–46°8°
Low, likely
34°1°–41°5°
Wind
13 mph21 km/h, gusts 25 mph40 km/h
Monday, Oct 26. Rain. High 43°6°, low 35°2°. Rain 0.98 in25 mm, 100% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Rain, 36°2°
  100% chance · 1.9 in48 mm
2. Afternoon
  noon–6 PM
  Rain, 41°5°
  100% chance · 1.7 in43 mm
3. Evening
  6 PM–midnight
  Rain, 38°3°
  100% chance · 0.33 in8.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 41°5°
  90% chance · 0.07 in1.8 mm
Official NWS forecast
Day: Rain. Cloudy, with a high near 43. East northeast wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Night: Rain. Cloudy, with a low around 35. East wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
40°4°–43°6°
Low, likely
35°2°–39°4°
Wind
23 mph38 km/h, gusts 41 mph66 km/h
Tuesday, Oct 27. Rain. High 55°13°, low 43°6°. Rain 0.12 in3 mm, 70% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 43°6°
  50% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 51°10°
  30% chance · 0.04 in0.9 mm
4. Overnight
  midnight–6 AM
  Mostly clear, 46°8°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely before 7am. Partly sunny, with a high near 55. Southwest wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Night: A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 43. South southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–55°13°
Low, likely
40°4°–43°6°
Wind
20 mph33 km/h, gusts 32 mph51 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 61°16°, low 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61. West southwest wind around 13 mph, with gusts as high as 23 mph.
Night: Mostly clear, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
53°12°–61°16°
Low, likely
41°5°–47°8°
Wind
22 mph35 km/h, gusts 39 mph63 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 62°17°, low 45°7°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 62.
Night: A slight chance of rain after 1am. Partly cloudy, with a low around 45. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 62°17°).
High, likely
57°14°–62°17°
Low, likely
37°3°–45°7°
Wind
14 mph23 km/h, gusts 38 mph61 km/h
UV peak
3
Friday, Oct 30. Rain. High 64°18°, low 47°8°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  20% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  20% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Partly sunny, with a high near 64. Chance of precipitation is 20%.
Night: A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–65°18°
Low, likely
45°7°–49°9°
Wind
20 mph32 km/h, gusts 35 mph56 km/h
Saturday, Oct 31. Showers. High 59°15°, low 52°11°. Rain 0.29 in7.4 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  30% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 60°16°
  40% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Showers, 55°13°
  40% chance · 0.24 in6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 47°8°
  30% chance · 0.11 in2.9 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
49°9°–67°19°
Low, likely
44°7°–57°14°
Wind
19 mph31 km/h, gusts 36 mph57 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 54°12°, low 44°7°. Rain 0.17 in4.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Fog, 46°8°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  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
42°6°–64°18°
Low, likely
32°0°–56°13°
Wind
17 mph28 km/h, gusts 42 mph67 km/h
UV peak
2
Monday, Nov 2. Cloudy. High 53°12°, low 39°4°. Rain 0.36 in9.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  20% chance · 0.04 in1.1 mm
3. Evening
  6 PM–midnight
  Clear, 46°8°
  30% chance
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
48°9°–64°18°
Low, likely
30°−1°–47°8°
Wind
29 mph47 km/h, gusts 51 mph82 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 37°.
Tomorrow
73% chance of rain, high 46°, low 34°, cooling off.
Monday
99% chance of rain, high 43°, low 35°, cooling off.
Rest of week
Highs 53–64°; chance of precipitation on Tuesday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (ABR) (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

West Branch Lac Qui Parle River at Gary

12 mi

Below flood stage

Level: 1375 ft

Reading from Sat 3:15 PM · NWS gauge page

Big Sioux River near Estelline

17 mi

Below flood stage

Level: 1639 ft

Reading from Sat 4 PM · NWS gauge page

Big Sioux River near Castlewood

18 mi

Below flood stage

Level: 5.0 ft
Flow: 42 cfs

Reading from Sat 3:45 PM · NWS gauge page

Big Sioux River below Watertown

19 mi

Below flood stage

Level: 4.5 ft

Reading from Sat 3:45 PM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 33 min; Losing 2 min 53 s a day; shortest Dec 21, 1 h 45 min less
Golden hour: 5:46–6:45 PM; Morning 7:35–8:35 AM
Blue hour: 6:45–6:56 PM; Morning 7:24–7:35 AM; first light 7:24 AM

Stars tonight? Poor

Clouds most of the night (about 78% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 6:06 AM · rises 5:26 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Clear Lake. The highest point on the skyline is about 3,600 ft, 24 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Clear Lake, SD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

West Branch Lac Qui Parle River at Gary

Big Sioux River near Estelline

Big Sioux River near Castlewood

Big Sioux River below Watertown

Sun & moon

Sun

Stars tonight? Poor

Moon