Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

Current conditions at

GREENFIELDS (GFMT)

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

NA

92°F

33°C

Humidity 34%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 60°F (16°C)
Visibility NA
Heat Index92°F (33°C)
Last update 23 Jul 05:00 PM MDT
Extended Forecast for

Simms MT

Heat Advisory July 25, 09:00pm until July 26, 09:00pm
Red Flag Warning July 24, 10:00am until July 25, 09:00pm
Extreme Heat Warning July 25, 12:00pm until July 25, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
Extreme Heat Warning
  • Tonight

    Tonight: A 20 percent chance of showers before 11pm.  Patchy smoke. Mostly clear, with a low around 63. Southwest wind 7 to 9 mph.

    Low: 63 °F

    Slight Chance
    Showers then
    Patchy Smoke

  • Friday

    Friday: Patchy smoke between 11am and 4pm. Sunny and hot, with a high near 98. West southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 98 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. West wind 6 to 11 mph becoming light west southwest  after midnight. Winds could gust as high as 24 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102. Breezy, with a light west southwest wind increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 102 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. West southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Light west southwest wind increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. West wind 10 to 15 mph becoming light  after midnight. Winds could gust as high as 24 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before 11pm. Patchy smoke. Mostly clear, with a low around 63. Southwest wind 7 to 9 mph.
Friday
Patchy smoke between 11am and 4pm. Sunny and hot, with a high near 98. West southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly clear, with a low around 61. West wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 24 mph.
Saturday
Sunny and hot, with a high near 102. Breezy, with a light west southwest wind increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Mostly clear, with a low around 61. West southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Sunday
Sunny and hot, with a high near 97. Light west southwest wind increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly clear, with a low around 58. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 24 mph.
Monday
Sunny, with a high near 93. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Simms MT
 47.48°N 111.93°W (Elev. 3665 ft)
5:02 pm MDT Jul 23, 2026
6pm MDT Jul 23, 2026-6pm MDT Jul 30, 2026
 
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Additional Resources

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