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 >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

90°F

32°C

Humidity 59%
Wind Speed S 17 G 23 mph
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 9 Aug 11:54 am CDT
Extended Forecast for

2 Miles ENE Plainfield IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Heat index values as high as 99. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 8pm.  Partly cloudy, with a low around 73. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 88. Heat index values as high as 97. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. South wind 5 to 10 mph.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 86. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Heat index values as high as 99. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 73. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. Heat index values as high as 97. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 5 to 10 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Tuesday Night
Mostly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
A chance of showers. Partly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Plainfield IL
 41.64°N 88.16°W
11:27 am CDT Aug 9, 2025
12pm CDT Aug 9, 2025-6pm CDT 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