Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Gillette, Gillette-Campbell County Airport (KGCC)

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

Light Rain and Breezy

67°F

19°C

Humidity 22%
Wind Speed NW 24 G 40 mph
Barometer 29.85 in (1007.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Jun 3:53 pm MDT
Extended Forecast for

5 Miles NNW Gillette WY

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Breezy, with a northwest wind 16 to 21 mph becoming light and variable  after midnight. Winds could gust as high as 34 mph.

    Low: 45 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Light and variable wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 44. North wind 8 to 13 mph becoming light  after midnight. Winds could gust as high as 21 mph.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 80. Calm wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 17 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. East wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 85. Southeast wind 11 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    High: 85 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 75.

    High: 75 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Breezy, with a northwest wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 34 mph.
Thursday
Mostly sunny, with a high near 75. Light and variable wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 44. North wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph.
Juneteenth
Mostly sunny, with a high near 80. Calm wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 17 mph.
Friday Night
Partly cloudy, with a low around 52. East wind 9 to 16 mph, with gusts as high as 26 mph.
Saturday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 85. Southeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Monday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 73.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Gillette WY
 44.35°N 105.55°W (Elev. 4400 ft)
4:08 pm MDT Jun 17, 2026
4pm MDT Jun 17, 2026-6pm MDT Jun 24, 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