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 this 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

46°F

8°C

Humidity 38%
Wind Speed NE 12 G 17 mph
Barometer 30.03 in (1017.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 9 Apr 12:53 pm MDT
Extended Forecast for

5 Miles E Custer County Airport SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 50. Northeast wind around 11 mph, with gusts as high as 26 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northeast wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.

    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 slight 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.

    High: 65 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 50. Northeast wind around 11 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 27. Northeast wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.
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 slight 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.
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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer County Airport SD
 43.72°N 103.54°W (Elev. 5351 ft)
Last Update:
1:27 pm MDT Apr 9, 2026
Forecast Valid:
1pm MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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