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

Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

GREENFIELDS (GFMT)

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

NA

51°F

11°C

Humidity 94%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 05 Sep 01:00 AM MDT
Extended Forecast for

Fairfield MT

  • Overnight

    Overnight: A 50 percent chance of showers. Mostly cloudy, with a low around 48. West northwest wind 6 to 8 mph.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 69. West northwest wind 5 to 10 mph becoming east in the afternoon.

    High: 69 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 3am, then a chance of showers. Partly cloudy during the early evening, then becoming cloudy, with a low around 47. Northeast wind 9 to 13 mph becoming north northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers between 9am and 11am. Mostly cloudy, with a high near 67. North wind 6 to 8 mph.

    High: 67 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before midnight, then rain after midnight. Low around 48. North northwest wind 8 to 10 mph. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Labor Day

    Labor Day: Rain before 9am, then showers and possibly a thunderstorm after 9am. High near 61. Northwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    High: 61 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 9pm, then rain likely after 9pm. Mostly cloudy, with a low around 44. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A chance of rain before noon. Partly sunny, with a high near 67. West southwest wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 67 °F

    Chance Rain
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers. Mostly cloudy, with a low around 48. West northwest wind 6 to 8 mph.
Saturday
A 40 percent chance of showers, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 69. West northwest wind 5 to 10 mph becoming east in the afternoon.
Saturday Night
Showers and thunderstorms likely before 3am, then a chance of showers. Partly cloudy during the early evening, then becoming cloudy, with a low around 47. Northeast wind 9 to 13 mph becoming north northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 50 percent chance of showers between 9am and 11am. Mostly cloudy, with a high near 67. North wind 6 to 8 mph.
Sunday Night
Showers and possibly a thunderstorm before midnight, then rain after midnight. Low around 48. North northwest wind 8 to 10 mph. Chance of precipitation is 90%.
Labor Day
Rain before 9am, then showers and possibly a thunderstorm after 9am. High near 61. Northwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Monday Night
Showers likely and possibly a thunderstorm before 9pm, then rain likely after 9pm. Mostly cloudy, with a low around 44. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.
Tuesday
A chance of rain before noon. Partly sunny, with a high near 67. West southwest wind 11 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 47.
Friday
A slight chance of showers. Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield MT
 47.61°N 111.98°W (Elev. 3963 ft)
Last Update:
12:31 am MDT Sep 5, 2026
Forecast Valid:
1am MDT Sep 5, 2026-6pm MDT Sep 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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