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

GREENFIELDS (GFMT)

Lat: 47.65833°NLon: 111.8125°WElev: 3820.0ft.

NA

69°F

21°C

Humidity 56%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 27 Aug 11:00 AM MDT
Extended Forecast for

Sun River MT

  • This Afternoon

    This Afternoon: A slight chance of thunderstorms after 4pm.  Partly sunny, with a high near 93. South wind 9 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Patchy smoke after 4am. Cloudy during the early evening, then gradual clearing, with a low around 55. West southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Chance
    T-storms then
    Patchy Smoke

  • Friday

    Friday: Patchy smoke before noon. Mostly cloudy, with a high near 88. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 88 °F

    Patchy Smoke
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. West southwest wind 10 to 15 mph becoming light southwest  after midnight. Winds could gust as high as 24 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 3pm.  Partly sunny, with a high near 79. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 48. West southwest wind 7 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before noon.  Partly sunny, with a high near 71. West southwest wind 8 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 44. Southwest wind 10 to 20 mph, with gusts as high as 29 mph.

    Low: 44 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of thunderstorms after 4pm. Partly sunny, with a high near 93. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy smoke after 4am. Cloudy during the early evening, then gradual clearing, with a low around 55. West southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Friday
Patchy smoke before noon. Mostly cloudy, with a high near 88. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 55. West southwest wind 10 to 15 mph becoming light southwest after midnight. Winds could gust as high as 24 mph.
Saturday
Showers likely, with thunderstorms also possible after 3pm. Partly sunny, with a high near 79. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. West southwest wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before noon. Partly sunny, with a high near 71. West southwest wind 8 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 44. Southwest wind 10 to 20 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 82.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Sun River MT
 47.52°N 111.72°W (Elev. 3461 ft)
7:47 am MDT Aug 27, 2026
12pm MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

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