Weather Forecast for Custer
South Dakota, United States of America
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Current Weather - Custer: -4°C
Current Weather - Custer: -4°C
South Dakota, United States of America
Overcast
Feels like -9°C
Wind
13 km/h N
Humidity
74%
Pressure
1010 mb
UV Index
0
Visibility
16 km
Overcast
Friday, April 17, 2026
High
5°C
Low
-2°C
Rain Chance
0%
Hourly Forecast
-0°C
2°C
3°C
3°C
3°C
4°C
3°C
2°C
1°C
-0°C
-1°C
-1°C
Day Statistics
Maximum Wind
31 km/h
Humidity
53%
Precipitation
0 mm
UV Index
1
Visibility
9 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
06:08 AM
Sunset
07:41 PM
Moonrise
05:53 AM
Moonset
08:31 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
2.7
μg/m³
PM10
3.6
μg/m³
NO₂
1.7
μg/m³
O₃
95.4
μg/m³
SO₂
1
μg/m³
CO
152.5
μg/m³
Sunny
Saturday, April 18, 2026
High
7°C
Low
-3°C
Rain Chance
0%
Hourly Forecast
-2°C
-2°C
-3°C
-3°C
-3°C
-3°C
-3°C
-2°C
-1°C
0°C
2°C
3°C
3°C
4°C
5°C
5°C
6°C
6°C
7°C
6°C
5°C
4°C
2°C
2°C
Day Statistics
Maximum Wind
30 km/h
Humidity
42%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
06:06 AM
Sunset
07:42 PM
Moonrise
06:22 AM
Moonset
09:55 PM
Moon Phase
Waxing Crescent
Moon Illumination
1%
Air Quality
PM2.5
3.5
μg/m³
PM10
4.5
μg/m³
NO₂
2
μg/m³
O₃
100.5
μg/m³
SO₂
1.2
μg/m³
CO
150.7
μg/m³
Sunny
Sunday, April 19, 2026
High
17°C
Low
1°C
Rain Chance
0%
Hourly Forecast
2°C
2°C
2°C
1°C
1°C
1°C
1°C
3°C
5°C
8°C
10°C
12°C
13°C
14°C
15°C
16°C
17°C
17°C
17°C
15°C
14°C
12°C
7°C
8°C
Day Statistics
Maximum Wind
19 km/h
Humidity
31%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
06:05 AM
Sunset
07:43 PM
Moonrise
06:59 AM
Moonset
11:17 PM
Moon Phase
Waxing Crescent
Moon Illumination
3%
Air Quality
PM2.5
3.5
μg/m³
PM10
6.9
μg/m³
NO₂
2.6
μg/m³
O₃
105.8
μg/m³
SO₂
1.1
μg/m³
CO
145.7
μg/m³
Sunny
Monday, April 20, 2026
High
21°C
Low
7°C
Rain Chance
0%
Hourly Forecast
8°C
8°C
8°C
8°C
8°C
8°C
9°C
11°C
14°C
17°C
18°C
19°C
20°C
21°C
21°C
21°C
20°C
20°C
18°C
15°C
13°C
12°C
11°C
11°C
Day Statistics
Maximum Wind
24 km/h
Humidity
20%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
06:03 AM
Sunset
07:45 PM
Moonrise
07:47 AM
Moonset
No moonset
Moon Phase
Waxing Crescent
Moon Illumination
9%
Air Quality
PM2.5
4.9
μg/m³
PM10
11.1
μg/m³
NO₂
2.7
μg/m³
O₃
113.4
μg/m³
SO₂
1.3
μg/m³
CO
147.2
μg/m³
Sunny
Tuesday, April 21, 2026
High
22°C
Low
7°C
Rain Chance
0%
Hourly Forecast
9°C
8°C
9°C
8°C
8°C
9°C
8°C
10°C
14°C
15°C
16°C
19°C
20°C
21°C
22°C
22°C
22°C
21°C
20°C
19°C
17°C
16°C
15°C
14°C
Day Statistics
Maximum Wind
19 km/h
Humidity
37%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
06:02 AM
Sunset
07:46 PM
Moonrise
08:47 AM
Moonset
12:30 AM
Moon Phase
Waxing Crescent
Moon Illumination
17%
Air Quality
PM2.5
4.8
μg/m³
PM10
10
μg/m³
NO₂
4.5
μg/m³
O₃
98.5
μg/m³
SO₂
1.2
μg/m³
CO
158
μg/m³
Sunny
Wednesday, April 22, 2026
High
26°C
Low
13°C
Rain Chance
0%
Hourly Forecast
13°C
13°C
13°C
13°C
13°C
13°C
14°C
16°C
19°C
21°C
22°C
23°C
24°C
25°C
25°C
25°C
25°C
25°C
24°C
22°C
19°C
18°C
17°C
16°C
Day Statistics
Maximum Wind
19 km/h
Humidity
21%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
06:00 AM
Sunset
07:47 PM
Moonrise
09:58 AM
Moonset
01:31 AM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Patchy rain nearby
Thursday, April 23, 2026
High
24°C
Low
10°C
Rain Chance
60%
Hourly Forecast
15°C
15°C
15°C
15°C
14°C
14°C
15°C
17°C
20°C
21°C
23°C
23°C
24°C
24°C
24°C
23°C
23°C
22°C
20°C
17°C
14°C
12°C
11°C
11°C
Day Statistics
Maximum Wind
17 km/h
Humidity
32%
Precipitation
5 mm
UV Index
4
Visibility
10 km
Rain Chance
60%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
07:48 PM
Moonrise
11:15 AM
Moonset
02:17 AM
Moon Phase
Waxing Crescent
Moon Illumination
38%
Weather Alerts
Wind Advisory issued April 16 at 1:23PM MDT until April 17 at 3:00AM MDT by NWS Rapid City SD
* WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Northern Oglala Lakota County, including portions of the Pine Ridge Reservation, Custer Co Plains, Pennington Co Plains, and Southern Meade Co Plains. * WHEN...From 6 PM this evening to 3 AM MDT Friday. * IMPACTS...Sudden wind gusts can cause drivers to lose control, especially in lightweight or high profile vehicles. Strong winds can cause blowing dust, reduced visibility, and flying debris.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Wind Advisory issued April 16 at 9:51PM MDT until April 17 at 6:00PM MDT by NWS Rapid City SD
* WHAT...Northwest winds 30 to 40 mph with gusts up to 55 mph. * WHERE...Northern Oglala Lakota County, including portions of the Pine Ridge Reservation, Custer Co Plains, Pennington Co Plains, and Southern Meade Co Plains. * WHEN...Until 6 PM MDT Friday. * IMPACTS...Sudden wind gusts can cause drivers to lose control, especially in lightweight or high profile vehicles. Strong winds can cause blowing dust, reduced visibility, and flying debris.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
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