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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

GREENFIELDS (GFMT)

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

NA

58°F

14°C

Humidity 70%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 08 Aug 10:00 PM MDT
Extended Forecast for

Simms MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 75. West southwest wind 8 to 10 mph becoming north northwest in the afternoon.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. North northwest wind 6 to 9 mph becoming south southeast in the evening.

    Low: 52 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 84. West southwest wind 7 to 10 mph becoming north northwest in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. North northwest wind 6 to 10 mph becoming west southwest after midnight.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86. West southwest wind 6 to 9 mph becoming northwest in the afternoon.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. North northeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Saturday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 75. West southwest wind 8 to 10 mph becoming north northwest in the afternoon.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. North northwest wind 6 to 9 mph becoming south southeast in the evening.
Sunday
Mostly sunny, with a high near 84. West southwest wind 7 to 10 mph becoming north northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 52. North northwest wind 6 to 10 mph becoming west southwest after midnight.
Monday
Sunny, with a high near 86. West southwest wind 6 to 9 mph becoming northwest in the afternoon.
Monday Night
Mostly clear, with a low around 55. North northeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 83. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Simms MT
 47.48°N 111.93°W (Elev. 3665 ft)
Last Update:
10:29 pm MDT Aug 8, 2025
Forecast Valid:
11pm MDT Aug 8, 2025-6pm MDT Aug 15, 2025
 
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