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

Gillette, Gillette-Campbell County Airport (KGCC)

Lat: 44.34°NLon: 105.54°WElev: 4364ft.

Fair

42°F

6°C

Humidity 68%
Wind Speed SW 10 mph
Barometer 29.68 in (1002.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 12 Apr 4:53 am MDT
Extended Forecast for

4 Miles N Sleepy Hollow WY

Red Flag Warning April 12, 05:11am until April 12, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 12, 05:11am until April 12, 09:00pm

    NOW until 9:00pm Sun

    Red Flag Warning

  • Overnight

    Low: 45 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 72. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 41. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers after noon.  Mostly sunny, with a high near 64. Southwest wind 11 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 64 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. West wind 8 to 13 mph becoming light  in the evening. Winds could gust as high as 22 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 62. Light and variable wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. Southeast wind around 7 mph becoming south after midnight.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 67 °F

    Sunny

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly clear, with a steady temperature around 45. West wind around 9 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 72. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 41. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 64. Southwest wind 11 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 33. West wind 8 to 13 mph becoming light in the evening. Winds could gust as high as 22 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 62. Light and variable wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Tuesday Night
Mostly clear, with a low around 34. Southeast wind around 7 mph becoming south after midnight.
Wednesday
Sunny, with a high near 67. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A slight chance of rain showers before 9am, then a chance of rain and snow showers. Partly sunny, with a high near 59. Breezy.
Thursday Night
Rain and snow showers likely. Mostly cloudy, with a low around 22. Blustery.
Friday
A chance of snow showers. Mostly cloudy, with a high near 39.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 19.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 47.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Sleepy Hollow WY
 44.29°N 105.42°W (Elev. 4600 ft)
3:42 am MDT Apr 12, 2026
5am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database