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

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

27°F

-3°C

Humidity 80%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 9 Apr 3:55 am MDT
Extended Forecast for

Lead SD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 49. Calm wind becoming north around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 30. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 57. Light south wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 29 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 45. South wind 7 to 10 mph, with gusts as high as 29 mph.

    Low: 45 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 73. Southwest wind 6 to 8 mph, with gusts as high as 22 mph.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 49. West wind 6 to 10 mph, with gusts as high as 30 mph.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 67. West wind 8 to 11 mph, with gusts as high as 30 mph.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 42. Southwest wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: Showers, mainly after noon. Partly sunny, with a high near 55.

    High: 55 °F

    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 49. Calm wind becoming north around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 30. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Friday
Mostly sunny, with a high near 57. Light south wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 29 mph.
Friday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 45. South wind 7 to 10 mph, with gusts as high as 29 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 73. Southwest wind 6 to 8 mph, with gusts as high as 22 mph.
Saturday Night
A 40 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 49. West wind 6 to 10 mph, with gusts as high as 30 mph.
Sunday
A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 67. West wind 8 to 11 mph, with gusts as high as 30 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 42. Southwest wind 5 to 7 mph, with gusts as high as 21 mph.
Monday
Showers, mainly after noon. Partly sunny, with a high near 55.
Monday Night
Rain showers before midnight, then rain and snow showers. Mostly cloudy, with a low around 32.
Tuesday
Rain and snow showers. Mostly cloudy, with a high near 44.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 32.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
3:48 am MDT Apr 9, 2026
Forecast Valid:
4am 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