Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

72°F

22°C

Humidity 69%
Wind Speed SE 8 mph
Barometer 29.98 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 12 Aug 4:15 pm MDT
Extended Forecast for

3 Miles ENE Belle Fourche Municipal Airport SD

Severe T-storm Watch August 12, 04:25pm until August 12, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch August 12, 04:25pm until August 12, 08:00pm

    NOW until 8:00pm Wed

    Severe T-storm Watch

  • This Afternoon

    High: 72 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Some of the storms could be severe.  Cloudy, then gradually becoming partly cloudy, with a low around 56. East wind 7 to 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    Low: 56 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 76. Breezy, with an east wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 40%.

    High: 76 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 58. Breezy, with an east wind 14 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%.

    Low: 58 °F

    Showers and
    Breezy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 78. East wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. North wind 6 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms. Some of the storms could be severe. Steady temperature around 72. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Tonight
A chance of showers and thunderstorms. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 56. East wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 76. Breezy, with an east wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 40%.
Thursday Night
Showers and possibly a thunderstorm. Low around 58. Breezy, with an east wind 14 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.
Friday
A chance of showers, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 78. East wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 77.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 82.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Belle Fourche Municipal Airport SD
 44.74°N 103.75°W (Elev. 3199 ft)
3:41 pm MDT Aug 12, 2026
4pm MDT Aug 12, 2026-6pm MDT Aug 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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