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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

28°F

-2°C

Humidity 63%
Wind Speed N 3 mph
Barometer 29.97 in (1015.2 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 9 Apr 6:53 am MDT
Extended Forecast for

8 Miles W Hill City SD

  • Today

    Today: Mostly sunny, with a high near 49. South wind 7 to 9 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 23 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 48. South wind 6 to 14 mph, with gusts as high as 36 mph.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. South wind 11 to 14 mph, with gusts as high as 36 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 67. Southwest wind around 11 mph, with gusts as high as 30 mph.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before midnight. Partly cloudy, with a low around 42. West wind 10 to 13 mph, with gusts as high as 29 mph.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Sunny, with a high near 61. West wind 11 to 14 mph, with gusts as high as 32 mph.

    High: 61 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before midnight. Partly cloudy, with a low around 38. Southwest wind 7 to 10 mph, with gusts as high as 29 mph.

    Low: 38 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after noon. Partly sunny, with a high near 53.

    High: 53 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 49. South wind 7 to 9 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Tonight
Mostly clear, with a low around 26. Northeast wind 5 to 8 mph becoming light and variable. Winds could gust as high as 23 mph.
Friday
Mostly sunny, with a high near 48. South wind 6 to 14 mph, with gusts as high as 36 mph.
Friday Night
Mostly cloudy, with a low around 38. South wind 11 to 14 mph, with gusts as high as 36 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 67. Southwest wind around 11 mph, with gusts as high as 30 mph.
Saturday Night
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 42. West wind 10 to 13 mph, with gusts as high as 29 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 61. West wind 11 to 14 mph, with gusts as high as 32 mph.
Sunday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 38. Southwest wind 7 to 10 mph, with gusts as high as 29 mph.
Monday
Showers likely, mainly after noon. Partly sunny, with a high near 53.
Monday Night
Rain showers likely before 9pm, then rain and snow showers likely. Mostly cloudy, with a low around 29.
Tuesday
Snow showers. Mostly cloudy, with a high near 40.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 28.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Hill City SD
 43.95°N 103.74°W (Elev. 6398 ft)
Last Update:
7:32 am MDT Apr 9, 2026
Forecast Valid:
7am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation