Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

39°F

4°C

Humidity 48%
Wind Speed W 7 mph
Barometer 30.11 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 18 Apr 11:55 pm MDT
Extended Forecast for

10 Miles SSE Colony WY

  • Overnight

    Overnight: Partly cloudy, with a low around 28. West wind around 6 mph becoming calm.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Light and variable wind becoming east 10 to 15 mph in the morning. Winds could gust as high as 21 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. East wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78. Light west wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 21 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Northwest wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 18 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. East wind 6 to 8 mph becoming south after midnight.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 81. Southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 28. West wind around 6 mph becoming calm.
Sunday
Sunny, with a high near 61. Light and variable wind becoming east 10 to 15 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 31. East wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 78. Light west wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 39. Northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 85. Light and variable wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 51. East wind 6 to 8 mph becoming south after midnight.
Wednesday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 38.
Thursday
Showers. Mostly cloudy, with a high near 51. Windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. Windy.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 47. Breezy.
Friday Night
A chance of rain and snow showers. Partly cloudy, with a low around 25. Blustery.
Saturday
A chance of rain and snow showers. Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Colony WY
 44.75°N 104.05°W (Elev. 3199 ft)
10:22 pm MDT Apr 18, 2026
12am MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
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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