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August 11, 2026: Derecho produces widespread wind damage and tornadoes across northern Illinois and northwest Indiana

Hazardous Weather Conditions

Current conditions at

Rochelle, Rochelle Municipal-Koritz Field Airport (KRPJ)

Lat: 41.89°NLon: 89.08°WElev: 768ft.

Overcast

76°F

24°C

Humidity	78%
Wind Speed	SE 9 mph
Barometer	30.11 in
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	14 Aug 12:35 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Ashton IL

Flood Watch August 14, 10:00pm until August 15, 10:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 78 °F
Scattered
Showers
Tonight
Low: 68 °F
Chance
T-storms then
Heavy Rain
Saturday
High: 85 °F
Heavy Rain
Saturday Night
Low: 70 °F
Chance
T-storms then
Showers
Likely
Sunday
High: 84 °F
Chance
T-storms
Sunday Night
Low: 63 °F
Partly Cloudy
Monday
High: 79 °F
Mostly Sunny
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 80 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms before 1pm, then isolated showers. Mostly cloudy, with a high near 78. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

Tonight

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 68. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Saturday

Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. High near 85. Southeast wind around 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. West wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.

Sunday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday Night

Partly cloudy, with a low around 63.

Monday

Mostly sunny, with a high near 79.

Monday Night

Mostly clear, with a low around 59.

Tuesday

Mostly sunny, with a high near 80.

Tuesday Night

A chance of showers after 1am. Mostly cloudy, with a low around 64.