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 >

Hazardous Weather Conditions

Current conditions at

Rochelle, Rochelle Municipal-Koritz Field Airport (KRPJ)

Lat: 41.89°NLon: 89.08°WElev: 768ft.

Fair

87°F

31°C

Humidity 59%
Wind Speed S 17 G 22 mph
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 8 Aug 3:55 pm CDT
Extended Forecast for

Sublette IL

  • Tonight

    Tonight: Mostly clear, with a low around 73. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 99. South wind around 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Heat index values as high as 99. South wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South southwest wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
Mostly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A chance of showers. Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 67.
Friday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sublette IL
 41.65°N 89.24°W
Last Update:
3:12 pm CDT Aug 8, 2025
Forecast Valid:
4pm CDT Aug 8, 2025-6pm CDT 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