Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

LITTLE SNOWY (LSNM8)

Lat: 46.75128°NLon: 109.02317°WElev: 4975.0ft.

NA

80°F

27°C

Humidity 25%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index79°F (26°C)
Last update 27 Aug 05:40 PM MDT
Extended Forecast for

Grass Range MT

Severe T-storm Watch until August 27, 10:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 27, 10:00pm

    NOW until 10:00pm Thu

    Severe T-storm Watch

  • This Afternoon

    High: 91 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 8pm.  Mostly cloudy, with a low around 63. South wind 7 to 11 mph becoming west after midnight.

    Low: 63 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers before 3pm, then a slight chance of showers after 5pm.  Patchy smoke between 10am and noon. Mostly cloudy, with a high near 87. West wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Patchy Smoke
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 8pm.  Mostly cloudy, with a low around 60. Southwest wind 7 to 10 mph.

    Low: 60 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 80. West southwest wind around 6 mph becoming light and variable.

    High: 80 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 9pm.  Mostly cloudy, with a low around 53. North wind around 8 mph becoming southwest after midnight.  Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 72. West wind 8 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. West southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Mostly cloudy, with a steady temperature around 91. South southeast wind around 8 mph.
Tonight
A 40 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 63. South wind 7 to 11 mph becoming west after midnight.
Friday
A slight chance of showers before 3pm, then a slight chance of showers after 5pm. Patchy smoke between 10am and noon. Mostly cloudy, with a high near 87. West wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 60. Southwest wind 7 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 80. West southwest wind around 6 mph becoming light and variable.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 9pm. Mostly cloudy, with a low around 53. North wind around 8 mph becoming southwest after midnight. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 72. West wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Sunday Night
Mostly clear, with a low around 48. West southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 84.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grass Range MT
 47.03°N 108.8°W (Elev. 3533 ft)
4:57 pm MDT Aug 27, 2026
5pm MDT Aug 27, 2026-6pm MDT Sep 3, 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