Observed 2:15 PM CDT at K9V9

Gann Valley, SD weather

Overcast and 50°10°, rain tomorrow ~7 AM–2 PM (99%).

Mostly agree

Now 50°10°

Cloudy · Feels like 44°7°

Feels like: 44°7°; Wind chill from 16 mph26 km/h wind · air 50°10°
Wind: 16 mph26 km/h; From the north. Easing to 5 mph8 km/h by 7 PM
Dew point: 34°1°; Dry, static shocks likely
UV tomorrow: 0Low; Low all day (peak 0)

None rain starting around 6:15 AM.

From forecast models

Next 48 hours

25°14° cooler than this time yesterday (76°24° then, 51°11° now)

Good hours for

Dry until 7 AM tomorrow
High 52°11° today at 5 PM
Rain tomorrow from 7 AM (100%, 7.2 in184 mm)
Gusts to 26 mph42 km/h tomorrow night 8–9 PM
Gusts to 29 mph47 km/h Monday from 8 AM

This afternoonNear 52°11° · Cloudy
TonightDown to 41°5° by 3 AM · rain chance 20% · Mostly cloudy
Tomorrow morningNear 43°6° · Rain 7 AM–noon (90%)
Tomorrow afternoonNear 43°6° · Rain all afternoon (90%)
Tomorrow nightNear 41°5° · Rain all night (100%) · gusts to 26 mph42 km/h
Monday morningNear 41°5° · Rain all morning (100%) · gusts to 28 mph45 km/h
Monday afternoonNear 42°6° · Rain all afternoon (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 3p	Cloudy	51°11° (likely 51°11° to 54°12°)	44°7°	0%	23 mph37 km/h from NNW, gusts 19 mph30 km/h	52%	83%	2
Sat 4p	Cloudy	51°11° (likely 51°11° to 54°12°)	51°11°	0%	20 mph32 km/h from NNW, gusts 16 mph26 km/h	50%	91%	1
Sat 5p	Cloudy	52°11° (likely 51°11° to 53°12°)	52°11°	0%	14 mph23 km/h from N, gusts 14 mph23 km/h	46%	85%	0
Sat 6p	Cloudy	51°11° (likely 50°10° to 52°11°)	51°11°	0%	9 mph14 km/h from N, gusts 11 mph17 km/h	47%	82%	0
Sat 7p	Cloudy	49°9° (likely 48°9° to 50°10°)	47°8°	0%	5 mph8 km/h from N, gusts 9 mph15 km/h	50%	84%	0
Sat 8p	Cloudy	47°8° (likely 46°8° to 49°9°)	45°7°	0%	5 mph8 km/h from N, gusts 6 mph10 km/h	51%	83%	0
Sat 9p	Cloudy	46°8° (likely 44°7° to 47°8°)	45°7°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	53%	82%	0
Sat 10p	Cloudy	45°7° (likely 42°6° to 46°8°)	44°7°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	55%	81%	0
Sat 11p	Cloudy	43°6° (likely 41°5° to 45°7°)	41°5°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	57%	80%	0
Sun 12a	Mostly cloudy	42°6° (likely 40°4° to 44°7°)	40°4°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	57%	68%	0
Sun 1a	Clear	42°6° (likely 39°4° to 44°7°)	40°4°	0%	3 mph5 km/h from NNE, gusts 6 mph10 km/h	57%	41%	0
Sun 2a	Cloudy	42°6° (likely 38°3° to 44°7°)	39°4°	0%	5 mph8 km/h from NNE, gusts 6 mph10 km/h	55%	87%	0
Sun 3a	Cloudy	41°5° (likely 39°4° to 44°7°)	38°3°	5%	5 mph8 km/h from NE, gusts 6 mph10 km/h	57%	70%	0
Sun 4a	Cloudy	42°6° (likely 39°4° to 45°7°)	38°3°	10%	6 mph10 km/h from NE, gusts 7 mph11 km/h	55%	99%	0
Sun 5a	Cloudy	41°5° (likely 40°4° to 45°7°)	37°3°	20%	6 mph10 km/h from ENE, gusts 7 mph11 km/h	59%	99%	0
Sun 6a	Cloudy	42°6° (likely 39°4° to 45°7°)	38°3°	20%	6 mph10 km/h from ENE, gusts 8 mph12 km/h	60%	100%	0
Sun 7a	Cloudy	42°6° (likely 41°5° to 45°7°)	38°3°	60%, 0.06 in1.5 mm	6 mph10 km/h from ENE, gusts 8 mph13 km/h	62%	100%	0
Sun 8a	Rain	42°6° (likely 42°6° to 45°7°)	38°3°	70%, 0.06 in1.5 mm	6 mph10 km/h from ENE, gusts 7 mph11 km/h	67%	100%	0
Sun 9a	Rain	43°6° (likely 43°6° to 45°7°)	39°4°	70%, 0.06 in1.5 mm	7 mph11 km/h from ENE, gusts 9 mph15 km/h	73%	100%	0
Sun 10a	Rain	44°7° (likely 42°6° to 46°8°)	39°4°	90%, 0.06 in1.5 mm	8 mph13 km/h from ENE, gusts 9 mph15 km/h	79%	100%	0
Sun 11a	Rain	44°7° (likely 42°6° to 47°8°)	39°4°	90%, 0.06 in1.5 mm	9 mph14 km/h from ENE, gusts 12 mph19 km/h	82%	100%	0
Sun 12p	Rain	44°7° (likely 43°6° to 46°8°)	38°3°	60%, 0.06 in1.5 mm	10 mph16 km/h from ENE, gusts 14 mph23 km/h	82%	100%	0
Sun 1p	Rain	43°6° (likely 42°6° to 46°8°)	37°3°	80%, 0.1 in2.5 mm	12 mph19 km/h from ENE, gusts 14 mph23 km/h	86%	100%	0
Sun 2p	Rain	43°6° (likely 42°6° to 45°7°)	37°3°	90%, 0.1 in2.5 mm	12 mph19 km/h from ENE, gusts 15 mph25 km/h	86%	100%	0
Sun 3p	Rain	43°6° (likely 42°6° to 45°7°)	36°2°	80%, 0.1 in2.5 mm	13 mph21 km/h from ENE, gusts 17 mph28 km/h	86%	100%	0
Sun 4p	Drizzle	43°6° (likely 42°6° to 45°7°)	36°2°	80%, 0.1 in2.5 mm	13 mph21 km/h from NE, gusts 16 mph25 km/h	86%	100%	0
Sun 5p	Rain	42°6° (likely 41°5° to 44°7°)	35°2°	70%, 0.1 in2.5 mm	14 mph23 km/h from ENE, gusts 18 mph29 km/h	89%	100%	0
Sun 6p	Rain	42°6° (likely 40°4° to 44°7°)	35°2°	70%, 0.1 in2.5 mm	14 mph23 km/h from ENE, gusts 22 mph35 km/h	93%	100%	0
Sun 7p	Rain	41°5° (likely 40°4° to 43°6°)	34°1°	40%, 0.08 in2 mm	13 mph21 km/h from ENE, gusts 23 mph38 km/h	96%	100%	0
Sun 8p	Rain	40°4° (likely 39°4° to 43°6°)	33°1°	50%, 0.08 in2 mm	13 mph21 km/h from ENE, gusts 26 mph41 km/h	96%	100%	0
Sun 9p	Drizzle	40°4° (likely 40°4° to 42°6°)	33°1°	50%, 0.08 in2 mm	13 mph21 km/h from ENE, gusts 24 mph38 km/h	96%	100%	0
Sun 10p	Drizzle	40°4° (likely 39°4° to 42°6°)	33°1°	40%, 0.08 in2 mm	13 mph21 km/h from ENE, gusts 21 mph34 km/h	96%	100%	0
Sun 11p	Drizzle	40°4° (likely 39°4° to 42°6°)	33°1°	40%, 0.08 in2 mm	13 mph21 km/h from ENE, gusts 22 mph35 km/h	96%	100%	0
Mon 12a	Rain	40°4° (likely 39°4° to 42°6°)	33°1°	70%, 0.08 in2 mm	13 mph21 km/h from ENE, gusts 21 mph34 km/h	96%	100%	0
Mon 1a	Rain	40°4° (likely 39°4° to 41°5°)	33°1°	80%, 0.44 in11 mm	13 mph21 km/h from ENE, gusts 22 mph35 km/h	96%	100%	0
Mon 2a	Rain	40°4° (likely 39°4° to 41°5°)	32°0°	100%, 0.44 in11 mm	14 mph23 km/h from ENE, gusts 23 mph36 km/h	92%	100%	0
Mon 3a	Rain	40°4° (likely 39°4° to 42°6°)	32°0°	100%, 0.44 in11 mm	14 mph23 km/h from ENE, gusts 22 mph36 km/h	92%	100%	0
Mon 4a	Rain	40°4° (likely 39°4° to 42°6°)	32°0°	100%, 0.44 in11 mm	15 mph24 km/h from ENE, gusts 22 mph35 km/h	92%	100%	0
Mon 5a	Rain	40°4° (likely 40°4° to 42°6°)	32°0°	80%, 0.44 in11 mm	16 mph26 km/h from ENE, gusts 20 mph32 km/h	89%	100%	0
Mon 6a	Rain	39°4° (likely 39°4° to 42°6°)	30°−1°	90%, 0.44 in11 mm	17 mph27 km/h from ENE, gusts 22 mph36 km/h	92%	100%	0
Mon 7a	Rain	39°4° (likely 39°4° to 42°6°)	30°−1°	100%, 0.39 in9.9 mm	18 mph29 km/h from ENE, gusts 24 mph38 km/h	92%	100%	0
Mon 8a	Rain	38°3° (likely 38°3° to 42°6°)	28°−2°	100%, 0.39 in9.9 mm	20 mph32 km/h from ENE, gusts 26 mph42 km/h	85%	100%	0
Mon 9a	Rain	39°4° (likely 39°4° to 42°6°)	29°−2°	100%, 0.39 in9.9 mm	20 mph32 km/h from ENE, gusts 27 mph44 km/h	92%	100%	0
Mon 10a	Rain	41°5° (likely 39°4° to 42°6°)	32°0°	100%, 0.39 in9.9 mm	20 mph32 km/h from ENE, gusts 28 mph45 km/h	100%	100%	0
Mon 11a	Rain	42°6° (likely 39°4° to 42°6°)	33°1°	100%, 0.39 in9.9 mm	20 mph32 km/h from ENE, gusts 28 mph45 km/h	100%	100%	0
Mon 12p	Rain	42°6° (likely 39°4° to 42°6°)	33°1°	100%, 0.39 in9.9 mm	20 mph32 km/h from ENE, gusts 29 mph46 km/h	96%	100%	0
Mon 1p	Rain	41°5° (likely 40°4° to 42°6°)	32°0°	100%, 0.41 in10 mm	20 mph32 km/h from ENE, gusts 28 mph45 km/h	100%	100%	0
Mon 2p	Rain	41°5° (likely 40°4° to 44°7°)	32°0°	100%, 0.41 in10 mm	20 mph32 km/h from ENE, gusts 27 mph44 km/h	100%	100%	0

Days ahead

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

Today, Oct 24. Drizzle. High 56°13°, low 38°3°. Typical 56°13° / 28°−2°. Rain 0.04 in1 mm, 0% chance. Mostly agree.
1. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
3. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  Dry
Official NWS forecast
Today: Mostly cloudy. High near 56, with temperatures falling to around 52 in the afternoon. North northwest wind 14 to 23 mph, with gusts as high as 32 mph.
Tonight: A slight chance of rain after 5am. Mostly cloudy. Low around 38, with temperatures rising to around 41 overnight. North northeast wind 3 to 9 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–68°20°
Low, likely
38°3°–45°7°
Typical high / low
56°13° / 28°−2°
Wind
23 mph36 km/h, gusts 42 mph67 km/h
UV peak
3
Tomorrow, Oct 25. Rain. High 46°8°, low 35°2°. Typical 55°13° / 28°−2°. Rain 0.38 in9.7 mm, 90% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 42°6°
  90% chance · 0.3 in7.6 mm
2. Afternoon
  noon–6 PM
  Rain, 44°7°
  90% chance · 0.56 in14 mm
3. Evening
  6 PM–midnight
  Rain, 40°4°
  70% chance · 0.5 in13 mm
4. Overnight
  midnight–6 AM
  Rain, 40°4°
  100% chance · 2.3 in58 mm
Official NWS forecast
Day: Rain. Cloudy. High near 46, with temperatures falling to around 42 in the afternoon. East northeast wind 6 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Rain. Cloudy, with a low around 35. East northeast wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
44°7°–47°8°
Low, likely
35°2°–42°6°
Typical high / low
55°13° / 28°−2°
Wind
17 mph28 km/h, gusts 32 mph51 km/h
Monday, Oct 26. Rain. High 44°7°, low 33°1°. Typical 55°13° / 27°−3°. Rain 1.1 in29 mm, 100% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 38°3°
  100% chance · 2.4 in61 mm
2. Afternoon
  noon–6 PM
  Rain, 42°6°
  100% chance · 1.4 in36 mm
3. Evening
  6 PM–midnight
  Showers, 44°7°
  100% chance · 0.28 in7.2 mm
4. Overnight
  midnight–6 AM
  Cloudy, 40°4°
  70% chance · 0.08 in2 mm
Official NWS forecast
Day: Rain. Cloudy, with a high near 44. East northeast wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Night: Rain. Cloudy, with a low around 33. North northwest wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
42°6°–48°9°
Low, likely
33°1°–41°5°
Typical high / low
55°13° / 27°−3°
Wind
21 mph34 km/h, gusts 34 mph55 km/h
Tuesday, Oct 27. Rain. High 55°13°, low 38°3°. Typical 54°12° / 27°−3°. Rain 0.17 in4.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Mostly cloudy, with a high near 55. South southwest wind 5 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Night: A slight chance of rain before 7pm. Partly cloudy, with a low around 38. South wind 6 to 10 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–57°14°
Low, likely
37°3°–40°4°
Typical high / low
54°12° / 27°−3°
Wind
21 mph33 km/h, gusts 31 mph50 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 61°16°, low 39°4°. Typical 54°12° / 26°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 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: Sunny, with a high near 61. West southwest wind 5 to 10 mph.
Night: Partly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–61°16°
Low, likely
34°1°–43°6°
Typical high / low
54°12° / 26°−3°
Wind
11 mph18 km/h, gusts 39 mph62 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 62°17°, low 44°7°. Typical 53°12° / 26°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 62.
Night: Partly cloudy, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–62°17°
Low, likely
36°2°–44°7°
Typical high / low
53°12° / 26°−3°
Wind
14 mph22 km/h, gusts 34 mph55 km/h
UV peak
3
Friday, Oct 30. Rain. High 64°18°, low 45°7°. Typical 53°12° / 25°−4°. Rain 0.01 in0.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 1pm. Partly sunny, with a high near 64. Chance of precipitation is 20%.
Night: A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–69°21°
Low, likely
45°7°–52°11°
Typical high / low
53°12° / 25°−4°
Wind
14 mph22 km/h, gusts 40 mph64 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 56°13°, low 49°9°. Typical 52°11° / 25°−4°. Rain 0.23 in5.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  20% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 58°14°
  30% chance · 0.18 in4.6 mm
3. Evening
  6 PM–midnight
  Drizzle, 53°12°
  20% chance · 0.08 in2.1 mm
4. Overnight
  midnight–6 AM
  Partly cloudy, 46°8°
  20% chance · 0.03 in0.8 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°–64°18°
Low, likely
40°4°–59°15°
Typical high / low
52°11° / 25°−4°
Wind
16 mph26 km/h, gusts 36 mph58 km/h
Sunday, Nov 1. Drizzle. High 53°12°, low 43°6°. Typical 52°11° / 25°−4°. Rain 0.09 in2.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 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
46°8°–65°18°
Low, likely
36°2°–56°13°
Typical high / low
52°11° / 25°−4°
Wind
17 mph28 km/h, gusts 47 mph76 km/h
UV peak
2
Monday, Nov 2. Sunny. High 55°13°, low 40°4°. Typical 51°11° / 24°−4°. Rain 0.06 in1.5 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  20% chance
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  30% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Clear, 49°10°
  30% chance · 0.04 in1 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–58°14°
Low, likely
37°3°–49°9°
Typical high / low
51°11° / 24°−4°
Wind
17 mph27 km/h, gusts 41 mph66 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 56°, low 38°.
Tomorrow
94% chance of rain, high 46°, low 35°, cooling off.
Monday
99% chance of rain, high 44°, low 33°.
Rest of week
Mostly dry, highs 53–64°.

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

Elm Creek (SD) near Gann Valley

8.6 mi

Below flood stage

Level: 3.5 ft
Flow: 18 cfs

Reading from Sat 1:45 PM · NWS gauge page

Missouri River at Chamberlain

23 mi

Below flood stage

Level: 48.3 ft

Reading from Sat 1:30 PM · NWS gauge page

Missouri River at Big Bend Dam

23 mi

Below flood stage

Level: 1421 ft

Reading from Sat 1 PM · NWS gauge page

For your home

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

Heating this week

About 74% less heating than a typical week.

This week 44Typical 172

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 43
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 22 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 34°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?

Gann Valley 3 Nne · official normals 1991–2020 · records 2009–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 12°7° warmer than normal (daily mean temperature).

+6°+3°SunOct 18
+6°+3°MonOct 19
+8°+4°TueOct 20
+11°+6°WedOct 21
+13°+7°ThuOct 22
+19°+10°FriOct 23
+22°+12°SatOct 24

Gann Valley weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 35 min; Losing 2 min 53 s a day; shortest Dec 21, 1 h 42 min less
Golden hour: 5:57–6:55 PM; Morning 7:44–8:42 AM
Blue hour: 6:55–7:06 PM; Morning 7:32–7:44 AM; first light 7:32 AM

Stars tonight? Poor

Clouds most of the night (about 83% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 6:15 AM · rises 5:36 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Gann Valley. The highest point on the skyline is about 4,800 ft, 25 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Gann Valley, SD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Elm Creek (SD) near Gann Valley

Missouri River at Chamberlain

Missouri River at Big Bend Dam

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