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

Albertus Airport (KFEP)

Lat: 42.25°NLon: 89.58°WElev: 837ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles WSW Shannon IL

Flood Watch until August 11, 01:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 11, 01:00pm

    NOW until 1:00pm Mon

    Flood Watch

  • This Afternoon

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 9pm.  Mostly cloudy, with a low around 69. South wind 5 to 10 mph becoming southeast in the evening.  Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 69 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 4pm.  Mostly cloudy, with a high near 82. South wind around 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm.  Low around 69. South wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    T-storms
    Likely then
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 82. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 83. Southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely, mainly after 9pm. Mostly cloudy, with a low around 69. South wind 5 to 10 mph becoming southeast in the evening. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 82. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 69. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Shannon IL
 42.13°N 89.77°W (Elev. 853 ft)
4:32 pm CDT Aug 9, 2025
5pm CDT Aug 9, 2025-6pm CDT 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