Observed 8:25 AM MDT at KCUT

Custer, SD weather

Overcast and 37°3°.

Forecasts differ

Now 37°3°

Cloudy

Wind: Calm; Up to 7 mph11 km/h through 8 PM
Dew point: 25°−4°; Dry · down to 16°−9° by 2 PM
UV index: 0Low; Moderate 12–3 PM · peak 3
Air quality: 38Good; Main pollutant: PM2.5 (fine particles)

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

13°7° cooler than this time yesterday (49°9° then, 36°2° now)

Good hours for

Above 40°4° today by 10 AM
Below freezing tonight 1–9 AM (low 29°−2°)
Rain tomorrow noon–midnight (80%, 0.3 in7.6 mm)
Below freezing tomorrow night from 6 PM (low 29°−2°)
Snow tomorrow night from midnight (80%, 0–2 in0–5 cm)

This morningUp to 43°6° by 11 AM · Partly cloudy
This afternoonUp to 49°9° by 3 PM · Partly cloudy
TonightDown to 31°−1° by 5 AM · rain chance 10% · freezing, low 31°−1° · Mostly cloudy
Tomorrow morningUp to 36°2° by 10 AM · rain chance 30% · freezing, low 29°−2° · Cloudy
Tomorrow afternoonNear 35°2° · Rain all afternoon (60%)
Tomorrow nightNear 31°−1° · Rain 6 PM–midnight (80%) · freezing, low 29°−2°

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 8a	Partly sunny	34°1° (likely 34°1° to 39°4°)	28°−2°	0%	6 mph10 km/h from NW, gusts 6 mph10 km/h	71%	31%	0
Sat 9a	Sunny	38°3° (likely 38°3° to 40°4°)	34°1°	0%	5 mph8 km/h from NW, gusts 7 mph12 km/h	61%	30%	0
Sat 10a	Mostly sunny	41°5° (likely 40°4° to 42°6°)	38°3°	0%	3 mph5 km/h from NW, gusts 6 mph10 km/h	50%	31%	1
Sat 11a	Mostly sunny	43°6° (likely 42°6° to 45°7°)	41°5°	0%	3 mph5 km/h from N, gusts 9 mph15 km/h	42%	33%	2
Sat 12p	Sunny	45°7° (likely 44°7° to 47°8°)	42°6°	0%	3 mph5 km/h from NE, gusts 9 mph15 km/h	36%	24%	3
Sat 1p	Sunny	46°8° (likely 45°7° to 48°9°)	43°6°	0%	6 mph10 km/h from E, gusts 8 mph12 km/h	31%	22%	3
Sat 2p	Sunny	48°9° (likely 45°7° to 49°9°)	45°7°	0%	6 mph10 km/h from E, gusts 11 mph17 km/h	27%	22%	3
Sat 3p	Sunny	49°9° (likely 45°7° to 49°9°)	46°8°	0%	7 mph11 km/h from SE, gusts 11 mph18 km/h	26%	29%	2
Sat 4p	Mostly sunny	48°9° (likely 43°6° to 48°9°)	45°7°	0%	7 mph11 km/h from SE, gusts 11 mph17 km/h	26%	36%	1
Sat 5p	Sunny	44°7° (likely 41°5° to 45°7°)	41°5°	0%	6 mph10 km/h from SE, gusts 10 mph17 km/h	29%	38%	0
Sat 6p	Partly cloudy	39°4° (likely 37°3° to 42°6°)	36°2°	0%	5 mph8 km/h from E, gusts 11 mph17 km/h	34%	71%	0
Sat 7p	Cloudy	37°3° (likely 36°2° to 39°4°)	34°1°	0%	3 mph5 km/h from E, gusts 10 mph17 km/h	35%	81%	0
Sat 8p	Cloudy	35°2° (likely 35°2° to 37°3°)	32°0°	0%	3 mph5 km/h from E, gusts 10 mph16 km/h	38%	79%	0
Sat 9p	Cloudy	34°1° (likely 34°1° to 36°2°)	34°1°	0%	2 mph3 km/h from E, gusts 8 mph14 km/h	40%	79%	0
Sat 10p	Clear	34°1° (likely 33°1° to 34°1°)	34°1°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	40%	40%	0
Sat 11p	Clear	34°1° (likely 32°0° to 34°1°)	34°1°	0%	1 mph2 km/h from E, gusts 5 mph9 km/h	41%	43%	0
Sun 12a	Cloudy	33°1° (likely 32°0° to 34°1°)	33°1°	10%	1 mph2 km/h from E, gusts 5 mph8 km/h	43%	79%	0
Sun 1a	Cloudy	32°0° (likely 32°0° to 34°1°)	32°0°	10%	1 mph2 km/h from E, gusts 7 mph11 km/h	45%	80%	0
Sun 2a	Cloudy	32°0° (likely 32°0° to 34°1°)	32°0°	10%	2 mph3 km/h from E, gusts 7 mph11 km/h	47%	88%	0
Sun 3a	Cloudy	32°0° (likely 32°0° to 35°2°)	32°0°	10%	2 mph3 km/h from E, gusts 7 mph11 km/h	49%	87%	0
Sun 4a	Cloudy	32°0° (likely 32°0° to 36°2°)	32°0°	10%	2 mph3 km/h from E, gusts 8 mph12 km/h	51%	89%	0
Sun 5a	Cloudy	31°−1° (likely 31°−1° to 36°2°)	31°−1°	10%	2 mph3 km/h from E, gusts 10 mph17 km/h	56%	95%	0
Sun 6a	Cloudy	29°−2° (likely 29°−2° to 36°2°)	25°−4°	30%	3 mph5 km/h from E, gusts 11 mph18 km/h	66%	100%	0
Sun 7a	Cloudy	29°−2° (likely 29°−2° to 36°2°)	25°−4°	30%	3 mph5 km/h from E, gusts 12 mph19 km/h	69%	100%	0
Sun 8a	Cloudy	30°−1° (likely 30°−1° to 36°2°)	26°−3°	30%	3 mph5 km/h from E, gusts 12 mph19 km/h	69%	100%	0
Sun 9a	Cloudy	34°1° (likely 32°0° to 37°3°)	30°−1°	30%	5 mph8 km/h from E, gusts 12 mph20 km/h	69%	100%	0
Sun 10a	Cloudy	36°2° (likely 32°0° to 37°3°)	32°0°	30%	5 mph8 km/h from E, gusts 12 mph20 km/h	72%	100%	0
Sun 11a	Cloudy	36°2° (likely 33°1° to 38°3°)	31°−1°	30%	6 mph10 km/h from E, gusts 12 mph20 km/h	72%	100%	0
Sun 12p	Cloudy	35°2° (likely 34°1° to 38°3°)	30°−1°	60%, 0.04 in1 mm	6 mph10 km/h from E, gusts 14 mph22 km/h	78%	100%	1
Sun 1p	Cloudy	36°2° (likely 32°0° to 37°3°)	30°−1°	60%, 0.04 in1 mm	7 mph11 km/h from E, gusts 15 mph25 km/h	75%	100%	2
Sun 2p	Snow	37°3° (likely 32°0° to 37°3°)	32°0°	60%, 0.04 in1 mm	7 mph11 km/h from E, gusts 15 mph24 km/h	72%	100%	1
Sun 3p	Cloudy	37°3° (likely 31°−1° to 37°3°)	32°0°	60%, 0.04 in1 mm	7 mph11 km/h from E, gusts 16 mph25 km/h	72%	100%	0
Sun 4p	Snow	36°2° (likely 31°−1° to 36°2°)	30°−1°	60%, 0.04 in1 mm	7 mph11 km/h from NE, gusts 16 mph25 km/h	75%	100%	0
Sun 5p	Snow	34°1° (likely 31°−1° to 34°1°)	28°−2°	60%, 0.04 in1 mm	7 mph11 km/h from NE, gusts 15 mph24 km/h	85%	100%	0
Sun 6p	Snow	32°0° (likely 30°−1° to 34°1°)	26°−3°	80%, 0.01 in0.3 mm	6 mph10 km/h from NE, gusts 15 mph24 km/h	92%	100%	0
Sun 7p	Snow	31°−1° (likely 30°−1° to 33°1°)	25°−4°	80%, 0.01 in0.3 mm	6 mph10 km/h from NE, gusts 14 mph22 km/h	96%	100%	0
Sun 8p	Snow	31°−1° (likely 30°−1° to 33°1°)	26°−3°	80%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 14 mph22 km/h	96%	100%	0
Sun 9p	Fog	32°0° (likely 30°−1° to 33°1°)	27°−3°	80%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 13 mph21 km/h	92%	100%	0
Sun 10p	Fog	32°0° (likely 30°−1° to 32°0°)	27°−3°	80%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 13 mph21 km/h	92%	100%	0
Sun 11p	Snow	31°−1° (likely 30°−1° to 32°0°)	26°−3°	80%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 12 mph20 km/h	96%	100%	0
Mon 12a	Snow	31°−1° (likely 29°−2° to 32°0°)	26°−3°	80%, snow 0.1 in0.3 cm	5 mph8 km/h from NE, gusts 11 mph18 km/h	96%	100%	0
Mon 1a	Snow	30°−1° (likely 30°−1° to 32°0°)	26°−3°	80%, snow 0.1 in0.3 cm	3 mph5 km/h from NE, gusts 11 mph18 km/h	96%	99%	0
Mon 2a	Fog	30°−1° (likely 30°−1° to 32°0°)	26°−3°	80%, snow 0.1 in0.3 cm	3 mph5 km/h from NE, gusts 11 mph18 km/h	92%	98%	0
Mon 3a	Snow	29°−2° (likely 29°−2° to 32°0°)	25°−4°	80%, snow 0.1 in0.3 cm	3 mph5 km/h from NE, gusts 12 mph19 km/h	96%	99%	0
Mon 4a	Snow	29°−2° (likely 29°−2° to 32°0°)	25°−4°	80%, snow 0.1 in0.3 cm	3 mph5 km/h from NE, gusts 12 mph19 km/h	96%	100%	0
Mon 5a	Snow	29°−2° (likely 29°−2° to 32°0°)	25°−4°	80%, snow 0.1 in0.3 cm	3 mph5 km/h from NE, gusts 11 mph18 km/h	100%	99%	0
Mon 6a	Snow	29°−2° (likely 29°−2° to 32°0°)	24°−4°	60%, snow 0.2 in0.5 cm	5 mph8 km/h from NE, gusts 12 mph20 km/h	100%	100%	0
Mon 7a	Snow	30°−1° (likely 30°−1° to 33°1°)	25°−4°	60%, snow 0.2 in0.5 cm	5 mph8 km/h from NE, gusts 11 mph18 km/h	100%	99%	0

Days ahead

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

Today, Oct 24. Cloudy. High 50°10°, low 28°−2°. Typical 52°11° / 31°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 49°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 35°2°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 31°−1°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 50, with temperatures falling to around 44 in the afternoon. Northeast wind 3 to 7 mph.
Tonight: Mostly cloudy. Low around 28, with temperatures rising to around 31 overnight. East wind 1 to 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–54°12°
Low, likely
28°−2°–34°1°
Typical high / low
52°11° / 31°−1°
Wind
15 mph24 km/h, gusts 32 mph51 km/h
UV peak
4
Tomorrow, Oct 25. Snow. High 38°3°, low 28°−2°. Typical 52°11° / 30°−1°. Snow 0.08 in2 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 30°−1°
  30% chance
2. Afternoon
  noon–6 PM
  Snow, 37°3°
  60% chance · 0.24 in6.1 mm
3. Evening
  6 PM–midnight
  Snow, 31°−1°
  80% chance · 0.06 in1.5 mm
4. Overnight
  midnight–6 AM
  Snow, 29°−2°
  80% chance · 0.6 in1.5 cm
Official NWS forecast
Day: Snow likely before 2pm, then rain and snow likely. Cloudy. High near 38, with temperatures falling to around 34 in the afternoon. East wind 3 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Night: Snow. Cloudy, with a low around 28. Northeast wind around 6 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
35°2°–38°3°
Low, likely
28°−2°–32°0°
Typical high / low
52°11° / 30°−1°
Wind
10 mph16 km/h, gusts 20 mph32 km/h
UV peak
2
Monday, Oct 26. Heavy snow. High 38°3°, low 30°−1°. Typical 52°11° / 30°−1°. Snow 0–6 in0–15 cm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Heavy snow, 31°−1°
  80% chance · 1.8 in4.5 cm
2. Afternoon
  noon–6 PM
  Heavy snow, 34°1°
  70% chance · 1 in2.4 cm
3. Evening
  6 PM–midnight
  Fog, 31°−1°
  40% chance
4. Overnight
  midnight–6 AM
  Cloudy, 32°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Snow likely before noon, then a chance of rain and snow between noon and 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain and snow. Mostly cloudy. High near 38, with temperatures falling to around 35 in the afternoon. Northeast wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.
Night: Mostly cloudy, with a low around 30. South wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
32°0°–38°3°
Low, likely
28°−2°–30°−1°
Typical high / low
52°11° / 30°−1°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
1
Tuesday, Oct 27. Partly sunny. High 54°12°, low 33°1°. Typical 51°11° / 30°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 54.
Night: Mostly clear, with a low around 33.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–54°12°
Low, likely
30°−1°–35°2°
Typical high / low
51°11° / 30°−1°
Wind
25 mph40 km/h, gusts 53 mph85 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 53°12°, low 32°0°. Typical 51°11° / 29°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 53.
Night: Partly cloudy, with a low around 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–55°13°
Low, likely
30°−1°–35°2°
Typical high / low
51°11° / 29°−2°
Wind
13 mph21 km/h, gusts 39 mph63 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 56°13°, low 35°2°. Typical 51°11° / 29°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 56.
Night: Partly cloudy, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–60°16°
Low, likely
35°2°–40°4°
Typical high / low
51°11° / 29°−2°
Wind
10 mph17 km/h, gusts 29 mph46 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 56°13°, low 36°2°. Typical 50°10° / 29°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 56.
Night: A slight chance of rain before 9pm, then a chance of rain and snow. Partly cloudy, with a low around 36.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
54°12°–64°18°
Low, likely
36°2°–45°7°
Typical high / low
50°10° / 29°−2°
Wind
11 mph17 km/h, gusts 31 mph50 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 52°11°, low 40°4°. Typical 50°10° / 28°−2°. Rain 0.05 in1.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 38°3°
  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°–57°14°
Low, likely
33°1°–45°7°
Typical high / low
50°10° / 28°−2°
Wind
14 mph23 km/h, gusts 32 mph51 km/h
UV peak
3
Sunday, Nov 1. Snow showers. High 45°7°, low 33°1°. Typical 50°10° / 28°−2°. Snow < 1 in< 2 cm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Clear, 35°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  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
40°4°–56°13°
Low, likely
29°−2°–43°6°
Typical high / low
50°10° / 28°−2°
Wind
16 mph26 km/h, gusts 30 mph49 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 47°8°, low 33°1°. Typical 50°10° / 28°−2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 39°4°
  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
43°6°–54°12°
Low, likely
29°−2°–36°2°
Typical high / low
50°10° / 28°−2°
Wind
11 mph17 km/h, gusts 22 mph36 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 50°, low 28°.
Tomorrow
64% chance of snow, high 38°, low 28°, cooling off.
Monday
55% chance of snow, high 38°, low 30°.
Rest of week
Mostly dry, highs 45–56°.

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

Grace Coolidge Creek near Custer

12 mi

Below flood stage

Level: 6.7 ft
Flow: 1 cfs

Reading from Sat 6 AM · NWS gauge page

French Creek (SD) above Fairburn

12 mi

Level: 0.6 ft
Flow: 3 cfs

Reading from Sat 6:15 AM · NWS gauge page

Battle Creek (SD) near Keystone

15 mi

Below flood stage

Level: 3.3 ft
Flow: under 1 cfs

Reading from Sat 6:15 AM · NWS gauge page

Spring Creek (SD) near Rockerville

19 mi

Below flood stage

Level: 3.3 ft

Reading from Sat 7 AM · NWS gauge page

For your home

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

Heating this week

About 66% less heating than a typical week.

This week 59Typical 172

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 44
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 15 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 25°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?

Custer · official normals 1991–2020 · records 1942–2026

Oct 24, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Custer weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 36 min; Losing 2 min 49 s a day; shortest Dec 21, 1 h 41 min less
Golden hour: 5:16–6:14 PM; Morning 7:02–8:00 AM
Blue hour: 6:14–6:25 PM; Morning 6:50–7:02 AM; first light 6:50 AM

Stars tonight? Poor

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

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:34 AM · rises 4:55 PM
Full moon: Oct 25
New moon: Nov 9

Looking north from Custer. The highest point on the skyline is about 7,100 ft, 8 mi away.Skyline from USGS elevation data, heights drawn up to 4× taller. Sky, sun and moon as they are now.

Custer, SD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Grace Coolidge Creek near Custer

French Creek (SD) above Fairburn

Battle Creek (SD) near Keystone

Spring Creek (SD) near Rockerville

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