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Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

29°F

-2°C

Humidity 72%
Wind Speed Calm
Barometer 30.19 in (1023.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 9 Apr 9:53 pm MDT
Extended Forecast for

4 Miles ESE Custer County Airport SD

  • Tonight

    Tonight: Mostly clear, with a low around 27. East wind around 5 mph becoming light and variable in the evening.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 52. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 28 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. South wind 9 to 14 mph becoming southwest after midnight. Winds could gust as high as 29 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 73. Southwest wind 9 to 14 mph, with gusts as high as 26 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 47. West wind 10 to 15 mph, with gusts as high as 29 mph.

    Low: 47 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Sunny, with a high near 69. West wind 11 to 15 mph, with gusts as high as 31 mph.

    High: 69 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 44. West wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 44 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers after noon. Mostly sunny, with a high near 65. West wind 9 to 15 mph, with gusts as high as 32 mph.

    High: 65 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 27. East wind around 5 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 52. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 39. South wind 9 to 14 mph becoming southwest after midnight. Winds could gust as high as 29 mph.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 73. Southwest wind 9 to 14 mph, with gusts as high as 26 mph.
Saturday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 47. West wind 10 to 15 mph, with gusts as high as 29 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 69. West wind 11 to 15 mph, with gusts as high as 31 mph.
Sunday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 44. West wind 7 to 10 mph, with gusts as high as 23 mph.
Monday
A chance of showers after noon. Mostly sunny, with a high near 65. West wind 9 to 15 mph, with gusts as high as 32 mph.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 38.
Tuesday
Showers likely. Partly sunny, with a high near 53.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 35.
Wednesday
A chance of showers. Mostly sunny, with a high near 60.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 37.
Thursday
A chance of rain and snow showers. Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Custer County Airport SD
 43.72°N 103.54°W (Elev. 5351 ft)
Last Update:
8:57 pm MDT Apr 9, 2026
Forecast Valid:
10pm MDT Apr 9, 2026-6pm MDT Apr 16, 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