Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

66°F

19°C

Humidity 37%
Wind Speed Calm
Barometer 29.60 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Apr 7:15 pm MDT
Extended Forecast for

10 Miles SSE Colony WY

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind 11 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 49 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 73. West wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 44. North wind around 8 mph becoming south after midnight. Winds could gust as high as 16 mph.

    Low: 44 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after noon.  Mostly sunny, with a high near 70. Breezy, with a southwest wind 8 to 13 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 70 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before midnight.  Partly cloudy, with a low around 38. West wind 6 to 15 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers.  Partly sunny, with a high near 62. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 62 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 39. Northwest wind 6 to 9 mph becoming southwest in the evening. Winds could gust as high as 15 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after noon.  Mostly sunny, with a high near 69. West wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before midnight.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 73. West wind 8 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 44. North wind around 8 mph becoming south after midnight. Winds could gust as high as 16 mph.
Monday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 70. Breezy, with a southwest wind 8 to 13 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 38. West wind 6 to 15 mph, with gusts as high as 21 mph.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 62. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 39. Northwest wind 6 to 9 mph becoming southwest in the evening. Winds could gust as high as 15 mph.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 69. West wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 38.
Thursday
A chance of showers, mainly after noon. Partly sunny, with a high near 63. Breezy.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 24. Breezy.
Friday
A chance of snow showers. Partly sunny, with a high near 41. Breezy.
Friday Night
A slight chance of snow showers. Partly cloudy, with a low around 21.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Colony WY
 44.75°N 104.05°W (Elev. 3199 ft)
5:37 pm MDT Apr 11, 2026
7pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database