Heavy Rain in the Mid-Atlantic; Severe Thunderstorms in the Northern Plains; Critical Fire in the West

Locally heavy rain and flash flooding will be possible today into tonight near the Mid-Atlantic/Carolina coast. Storms with large hail and severe wind gusts are expected across parts of the central and northern Plains into the upper Mississippi Valley. Dry thunderstorms, and warm, dry, and windy conditions will produce fire weather conditions in parts of the Great Basin and northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

64°F

18°C

Humidity 56%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 14 Aug 5:35 am MDT
Extended Forecast for

Lead SD

  • Today

    Today: Sunny, with a high near 85. Southwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 11pm and 1am.  Increasing clouds, with a low around 58. North wind around 5 mph becoming south after midnight.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 81. South wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 60. East wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 78. South wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 58. East wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 58 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80. South wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 57. Southeast wind around 5 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 80.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 85. Southwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Tonight
A slight chance of showers and thunderstorms between 11pm and 1am. Increasing clouds, with a low around 58. North wind around 5 mph becoming south after midnight. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 81. South wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60. East wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. South wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 58. East wind around 5 mph becoming south after midnight. Winds could gust as high as 15 mph.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. South wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. Southeast wind around 5 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Monday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 80.
Monday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.8°W (Elev. 5545 ft)
3:49 am MDT Aug 14, 2025
5am MDT Aug 14, 2025-6pm MDT Aug 20, 2025
 
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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