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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

GREENFIELDS (GFMT)

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

NA

56°F

13°C

Humidity 77%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 30 Jul 01:00 AM MDT
Extended Forecast for

Fairfield MT

Fire Weather Watch August 1, 02:00pm until August 2, 09:00pm
Extreme Heat Watch August 1, 12:00pm until August 2, 03:00am
Click here for hazard details and duration
Fire Weather Watch
Extreme Heat Watch

  • Overnight

    Overnight: Areas of smoke. Mostly clear, with a low around 57. West northwest wind around 6 mph.

    Low: 57 °F

    Areas Smoke

  • Thursday

    Thursday: Areas of smoke. Sunny, with a high near 94. South wind 3 to 8 mph.

    High: 94 °F

    Areas Smoke

  • Thursday Night

    Thursday Night: Widespread smoke, mainly between 9pm and 11pm. Partly cloudy, with a low around 59. West northwest wind 6 to 8 mph becoming north in the evening.

    Low: 59 °F

    Smoke

  • Friday

    Friday: Patchy smoke before 7am. Sunny, with a high near 95. West southwest wind 6 to 8 mph.

    High: 95 °F

    Patchy Smoke
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Northwest wind 5 to 8 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Breezy, with a light west southwest wind increasing to 17 to 22 mph in the morning. Winds could gust as high as 31 mph.

    High: 100 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. West southwest wind 15 to 21 mph, with gusts as high as 29 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. West southwest wind 11 to 20 mph, with gusts as high as 29 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

Detailed Forecast

Overnight
Areas of smoke. Mostly clear, with a low around 57. West northwest wind around 6 mph.
Thursday
Areas of smoke. Sunny, with a high near 94. South wind 3 to 8 mph.
Thursday Night
Widespread smoke, mainly between 9pm and 11pm. Partly cloudy, with a low around 59. West northwest wind 6 to 8 mph becoming north in the evening.
Friday
Patchy smoke before 7am. Sunny, with a high near 95. West southwest wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 59. Northwest wind 5 to 8 mph.
Saturday
Sunny and hot, with a high near 100. Breezy, with a light west southwest wind increasing to 17 to 22 mph in the morning. Winds could gust as high as 31 mph.
Saturday Night
Mostly clear, with a low around 62. West southwest wind 15 to 21 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 84. West southwest wind 11 to 20 mph, with gusts as high as 29 mph.
Sunday Night
Clear, with a low around 50.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 87.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfield MT
 47.61°N 111.98°W (Elev. 3963 ft)
Last Update:
12:31 am MDT Jul 30, 2026
Forecast Valid:
2am MDT Jul 30, 2026-6pm MDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation