Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

66°F

19°C

Humidity 88%
Wind Speed SE 5 mph
Barometer 30.07 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Jul 9:55 pm MDT
Extended Forecast for

10 Miles SSE Colony WY

  • Tonight

    Tonight: Scattered showers and thunderstorms after midnight.  Mostly cloudy, with a low around 60. East wind 5 to 10 mph.  Chance of precipitation is 50%.

    Low: 60 °F

    Mostly Cloudy
    then
    Scattered
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Partly sunny, with a high near 85. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Scattered
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 61. East wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 63. East wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. North wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 63. East wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85. West wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 60. East wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 85. East wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. East wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 90. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 89. North wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 63. East wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. West wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Colony WY
 44.75°N 104.05°W (Elev. 3199 ft)
9:49 pm MDT Jul 18, 2025
10pm MDT Jul 18, 2025-6pm MDT Jul 25, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database