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

Saco US-2 MP 502.5 (MTSCO)

Lat: 48.45138°NLon: 107.30166°WElev: 2180.0ft.

unknown precip

59°F

15°C

Humidity 95%
Wind Speed WSW 14 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 08 Aug 11:46 PM MDT
Extended Forecast for

6 Miles W Saco MT

Lake Wind Advisory August 9, 12:13am until August 9, 09:00pm
Click here for hazard details and duration
Lake Wind Advisory
  •  
    Lake Wind Advisory August 9, 12:13am until August 9, 09:00pm

    NOW until 9:00pm Sat

    Lake Wind Advisory

  • Overnight

    Low: 54 °F

    Showers
    Likely and
    Breezy

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 71. Breezy, with a northwest wind 21 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%.

    High: 71 °F

    Breezy.
    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. West wind 7 to 15 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. West wind 6 to 10 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. West northwest wind 5 to 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph.

    High: 82 °F

    Mostly 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 83. Light and variable wind becoming west northwest 5 to 9 mph in the morning.

    High: 83 °F

    Sunny

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 54. Breezy, with a west wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Saturday
Showers likely, with thunderstorms also possible after 9am. Cloudy, then gradually becoming mostly sunny, with a high near 71. Breezy, with a northwest wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 52. West wind 7 to 15 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 81. West wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 56. West northwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph.
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 83. Light and variable wind becoming west northwest 5 to 9 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. East northeast wind around 9 mph.
Wednesday
Sunny, with a high near 86. East wind 6 to 9 mph becoming south southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 57. East northeast wind 7 to 9 mph.
Thursday
Sunny, with a high near 84.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Saco MT
 48.46°N 107.47°W (Elev. 2277 ft)
1:48 pm MDT Aug 8, 2025
12am MDT Aug 9, 2025-6pm MDT Aug 15, 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