Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. 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 78%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 Jul 6:35 am MDT
Extended Forecast for

2 Miles ESE Belle Fourche SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 91. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight.  Partly cloudy, with a low around 60. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. East wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 87. East wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 76. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Cloudy, with a low around 60. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 71.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 91. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight. Partly cloudy, with a low around 60. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 90. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 64. East wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. East wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. East wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 60. East wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Breezy.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Breezy.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Belle Fourche SD
 44.65°N 103.8°W (Elev. 3176 ft)
3:29 am MDT Jul 26, 2025
6am MDT Jul 26, 2025-6pm MDT Aug 1, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database