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

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Partly Cloudy

73°F

23°C

Humidity 32%
Wind Speed SE 3 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 09 Aug 07:53 PM MDT
Extended Forecast for

4 Miles E Montana City MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. North wind around 6 mph becoming south in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Northwest wind 6 to 9 mph becoming southwest in the evening. Winds could gust as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. North northwest wind 5 to 9 mph becoming light and variable after midnight.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. West wind 6 to 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. North wind around 6 mph becoming south in the evening.
Sunday
Mostly sunny, with a high near 80. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 56. Northwest wind 6 to 9 mph becoming southwest in the evening. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 84. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 55. North northwest wind 5 to 9 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 87. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 57. West wind 6 to 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 88. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 50.
Friday
A slight chance of showers. Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 51.
Saturday
A slight chance of showers. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Montana City MT
 46.53°N 111.85°W (Elev. 4478 ft)
Last Update:
4:41 pm MDT Aug 9, 2025
Forecast Valid:
8pm MDT Aug 9, 2025-6pm MDT Aug 16, 2025
 
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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