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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.

Mostly Cloudy

70°F

21°C

Humidity	91%
Wind Speed	NE 3 mph
Barometer	30.09 in
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	15 Aug 4:35 am CDT

More Information:

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

Extended Forecast for

Lee ILSimilar City Names

Flood Watch August 15, 04:52am until August 15, 10:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 15, 04:52am until August 15, 10:00am
NOW until 10:00am Sat
Flood Watch
Overnight
Low: 69 °F
Heavy Rain
Saturday
High: 81 °F
Heavy Rain
then Slight
Chance
Showers
Saturday Night
Low: 71 °F
Slight Chance
Showers then
Chance
T-storms
Sunday
High: 82 °F
Chance
T-storms then
Partly Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 61 °F
Mostly Clear
Tuesday
High: 80 °F
Partly Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 69. East southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers and thunderstorms before 1pm, then a slight chance of showers after 2pm. Some of the storms could produce heavy rainfall. High near 81. South southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday Night

A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 30%.

Sunday

A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 82. West northwest wind around 10 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 63. Northwest wind 5 to 10 mph.

Monday

Sunny, with a high near 79.

Monday Night

Mostly clear, with a low around 61.

Tuesday

Partly sunny, with a high near 80.

Tuesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66.

Wednesday

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 77.