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

54°F

12°C

Humidity 51%
Wind Speed W 20 mph
Barometer 29.65 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 12 Apr 6:35 am MDT
Extended Forecast for

10 Miles SSE Colony WY

  • Today

    Today: Sunny, with a high near 73. West wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 42. Northeast wind 6 to 8 mph becoming southwest after midnight.

    Low: 42 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers, mainly after noon.  Mostly sunny, with a high near 67. Southwest wind 8 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 67 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 36. West wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after noon.  Mostly sunny, with a high near 65. West wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 65 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 39. North wind 5 to 8 mph becoming south in the evening.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon.  Sunny, with a high near 69. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 69 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 42. Northwest wind 8 to 11 mph becoming southeast in the evening. Winds could gust as high as 20 mph.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Showers likely, mainly after noon.  Mostly sunny, with a high near 62. Breezy.

    High: 62 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 73. West wind 9 to 15 mph, with gusts as high as 24 mph.
Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 42. Northeast wind 6 to 8 mph becoming southwest after midnight.
Monday
A 50 percent chance of showers, mainly after noon. Mostly sunny, with a high near 67. Southwest wind 8 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 36. West wind 5 to 14 mph, with gusts as high as 22 mph.
Tuesday
A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 65. West wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 39. North wind 5 to 8 mph becoming south in the evening.
Wednesday
A 20 percent chance of showers after noon. Sunny, with a high near 69. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 42. Northwest wind 8 to 11 mph becoming southeast in the evening. Winds could gust as high as 20 mph.
Thursday
Showers likely, mainly after noon. Mostly sunny, with a high near 62. Breezy.
Thursday Night
Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then snow showers likely after midnight. Mostly cloudy, with a low around 26.
Friday
A chance of snow showers. Mostly cloudy, with a high near 42.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 23.
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)
6:37 am MDT Apr 12, 2026
6am MDT Apr 12, 2026-6pm MDT Apr 18, 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