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

Current conditions at

Rochelle, Rochelle Municipal-Koritz Field Airport (KRPJ)

Lat: 41.89°NLon: 89.08°WElev: 768ft.

Fog

49°F

9°C

Humidity	95%
Wind Speed	S 7 mph
Barometer	29.75 in
Dewpoint	48°F (9°C)
Visibility	0.25 mi
Wind Chill	46°F (8°C)
Last update	10 Mar 2:35 am CDT

More Information:

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

Extended Forecast for

De Kalb IL

Dense Fog Advisory until March 10, 11:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until March 10, 11:00am
NOW until 11:00am Tue
Dense Fog Advisory
Overnight
Low: 52 °F
Patchy Dense
Fog
Tuesday
High: 59 °F
Areas Dense
Fog then
Severe
Thunderstorms
Tuesday Night
Low: 39 °F
Severe
Thunderstorms
Wednesday
High: 40 °F
Showers then
Rain/Snow and
Breezy
Wednesday Night
Low: 25 °F
Slight Chance
Rain/Snow
then Mostly
Clear
Thursday
High: 47 °F
Mostly Sunny
Thursday Night
Low: 38 °F
Breezy.
Chance
Showers then
Showers
Likely
Friday
High: 48 °F
Partly Sunny
and Breezy

Detailed Forecast

Overnight

Patchy dense fog. Otherwise, cloudy, with a low around 52. South southwest wind around 10 mph.

Tuesday

A slight chance of drizzle between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 59. North wind 5 to 10 mph becoming east 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Tuesday Night

Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 4am, then showers likely after 4am. Some of the storms could be severe. Low around 39. East northeast wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Rain showers before 4pm, then a slight chance of rain and snow showers. High near 40. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday Night

A slight chance of rain and snow showers before 7pm. Partly cloudy, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.

Thursday

Mostly sunny, with a high near 47.

Thursday Night

Showers likely, mainly after 1am. Cloudy, with a low around 38. Breezy. Chance of precipitation is 60%.

Friday

Partly sunny, with a high near 48. Breezy.

Friday Night

Mostly cloudy, with a low around 29.

Saturday

Cloudy, with a high near 50.

Saturday Night

A chance of rain. Cloudy, with a low around 35.