National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

WINNETT HANDAR (GGWWT)

Lat: 47.01°NLon: 108.36°WElev: 2969.0ft.

NA

85°F

29°C

Humidity 32%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Heat Index83°F (28°C)
Last update 06 Aug 06:52 PM MDT
Extended Forecast for

Grass Range MT

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. West northwest wind around 10 mph.

    Low: 58 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 78. West wind 9 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 78 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 51. West wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 70. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 70 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. West northwest wind 14 to 21 mph, with gusts as high as 31 mph.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 74. Breezy, with a west wind 14 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Northwest wind 8 to 18 mph becoming west southwest after midnight. Winds could gust as high as 26 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. West southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. West northwest wind around 10 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 78. West wind 9 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Showers and thunderstorms likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 51. West wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 70. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. West northwest wind 14 to 21 mph, with gusts as high as 31 mph.
Saturday
A slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 74. Breezy, with a west wind 14 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 54. Northwest wind 8 to 18 mph becoming west southwest after midnight. Winds could gust as high as 26 mph.
Sunday
Mostly sunny, with a high near 80. West southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 85.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Range MT
 47.03°N 108.8°W (Elev. 3533 ft)
Last Update:
2:31 am MDT Aug 7, 2025
Forecast Valid:
3am MDT Aug 7, 2025-6pm MDT Aug 13, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation