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

26°F

-3°C

Humidity 66%
Wind Speed Calm
Barometer 30.00 in (1016.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 9 Apr 3:53 am MDT
Extended Forecast for

5 Miles NW Hill City SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. Calm wind becoming south around 5 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50. South wind 5 to 7 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 52. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 33 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. South wind 8 to 10 mph, with gusts as high as 33 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 71. Southwest wind 8 to 10 mph, with gusts as high as 28 mph.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before midnight. Partly cloudy, with a low around 45. West wind 7 to 10 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers after noon. Sunny, with a high near 65. West wind 8 to 10 mph, with gusts as high as 31 mph.

    High: 65 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. Calm wind becoming south around 5 mph.
Thursday
Mostly sunny, with a high near 50. South wind 5 to 7 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 27. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 52. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 33 mph.
Friday Night
Mostly cloudy, with a low around 40. South wind 8 to 10 mph, with gusts as high as 33 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 71. Southwest wind 8 to 10 mph, with gusts as high as 28 mph.
Saturday Night
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 45. West wind 7 to 10 mph, with gusts as high as 28 mph.
Sunday
A slight chance of showers after noon. Sunny, with a high near 65. West wind 8 to 10 mph, with gusts as high as 31 mph.
Sunday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 41.
Monday
Showers likely, mainly after noon. Partly sunny, with a high near 57.
Monday Night
Rain and snow showers likely. Mostly cloudy, with a low around 30.
Tuesday
Rain and snow showers. Mostly cloudy, with a high near 43.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 30.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Hill City SD
 43.97°N 103.65°W (Elev. 5568 ft)
Last Update:
3:48 am MDT Apr 9, 2026
Forecast Valid:
3am 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