Beyond the Warning Presentation in Oglesby on 3/10/2026 POSTPONED

Due to the potential for severe thunderstorms on Tuesday, March 10th, the Beyond the Warning seminar in Oglesby, IL has been POSTPONED. We intend to reschedule this session later this spring. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Rochelle, Rochelle Municipal-Koritz Field Airport (KRPJ)

Lat: 41.89°NLon: 89.08°WElev: 768ft.

Fair

55°F

13°C

Humidity	70%
Wind Speed	S 6 mph
Barometer	29.71 in
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Wind Chill	54°F (12°C)
Last update	9 Mar 7:55 pm CDT

More Information:

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

Extended Forecast for

De Kalb IL

Tonight
Low: 48 °F
Partly Cloudy
Tuesday
High: 56 °F
Patchy Fog
then Chance
Showers
Tuesday Night
Low: 38 °F
Showers
Wednesday
High: 41 °F
Showers
Likely and
Breezy
Wednesday Night
Low: 25 °F
Partly Cloudy
Thursday
High: 46 °F
Mostly Sunny
Thursday Night
Low: 36 °F
Breezy.
Chance
Showers then
Showers
Likely
Friday
High: 48 °F
Mostly Sunny
and Breezy
Friday Night
Low: 30 °F
Mostly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 48. South wind around 5 mph, with gusts as high as 15 mph.

Tuesday

A chance of drizzle between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 56. East northeast wind 5 to 15 mph. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 38. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Showers likely, mainly before 1pm. Cloudy, with a high near 41. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

Wednesday Night

Partly cloudy, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

Thursday

Mostly sunny, with a high near 46.

Thursday Night

Showers likely, mainly after 1am. Cloudy, with a low around 36. Breezy. Chance of precipitation is 60%.

Friday

Mostly sunny, with a high near 48. Breezy.

Friday Night

Mostly cloudy, with a low around 30.

Saturday

Cloudy, with a high near 46.