National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Mostly Cloudy

34°F

1°C

Humidity 61%
Wind Speed Vrbl 6 mph
Barometer 30.24 in (1026.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 10 Apr 8:53 am MDT
Extended Forecast for

6 Miles NW Hill City SD

  • Today

    Today: Mostly sunny, with a high near 52. South wind 5 to 11 mph, with gusts as high as 30 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. South wind 8 to 10 mph becoming southwest after midnight. Winds could gust as high as 26 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 70. Southwest wind 7 to 9 mph, with gusts as high as 28 mph.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before midnight. Partly cloudy, with a low around 44. Southwest wind 6 to 10 mph, with gusts as high as 28 mph.

    Low: 44 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Sunny, with a high near 65. West wind 7 to 9 mph, with gusts as high as 28 mph.

    High: 65 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. Southwest wind 3 to 6 mph. Winds could gust as high as 21 mph.

    Low: 43 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers after noon. Mostly sunny, with a high near 61. Southwest wind 7 to 11 mph, with gusts as high as 32 mph.

    High: 61 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight. Partly cloudy, with a low around 36. West wind 3 to 7 mph. Winds could gust as high as 24 mph.

    Low: 36 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 51.

    High: 51 °F

    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 52. South wind 5 to 11 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 40. South wind 8 to 10 mph becoming southwest after midnight. Winds could gust as high as 26 mph.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 70. Southwest wind 7 to 9 mph, with gusts as high as 28 mph.
Saturday Night
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 44. Southwest wind 6 to 10 mph, with gusts as high as 28 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 65. West wind 7 to 9 mph, with gusts as high as 28 mph.
Sunday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. Southwest wind 3 to 6 mph. Winds could gust as high as 21 mph.
Monday
A 50 percent chance of showers after noon. Mostly sunny, with a high near 61. Southwest wind 7 to 11 mph, with gusts as high as 32 mph.
Monday Night
Showers likely, mainly before midnight. Partly cloudy, with a low around 36. West wind 3 to 7 mph. Winds could gust as high as 24 mph.
Tuesday
Showers likely, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 51.
Tuesday Night
A chance of showers before midnight. Mostly cloudy, with a low around 34.
Wednesday
A slight chance of showers. Sunny, with a high near 58.
Wednesday Night
A chance of rain and snow showers. Partly cloudy, with a low around 34.
Thursday
A chance of snow showers. Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Hill City SD
 43.99°N 103.65°W (Elev. 5823 ft)
Last Update:
8:37 am MDT Apr 10, 2026
Forecast Valid:
9am MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation