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- Spring Flood Outlook: Below average to near average flood risk for area river basins
Current conditions at
Rochelle, Rochelle Municipal-Koritz Field Airport (KRPJ)
Lat: 41.89°NLon: 89.08°WElev: 768ft.
Overcast with Haze
34°F
1°C
| Humidity | 76% |
| Wind Speed | E 17 G 22 mph |
| Barometer | 29.99 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 2.00 mi |
| Wind Chill | 23°F (-5°C) |
| Last update | 14 Mar 6:55 pm CDT |
Extended Forecast for
De Kalb IL
Tonight
Low: 34 °F⇑
Mostly Cloudy
then Slight
Chance
Showers and
BreezySunday

High: 56 °F
Showers and
BreezySunday Night
Low: 18 °F
Wintry Mix
and Breezy
then Snow and
Patchy
Blowing SnowMonday

High: 22 °F
Snow Likely
and Blowing
SnowMonday Night
Low: 6 °F
Mostly Cloudy
and Blustery
then Partly
CloudyTuesday

High: 23 °F
Mostly Sunny
Tuesday Night
Low: 19 °F
Chance Snow
Showers then
Snow ShowersWednesday

High: 42 °F
Mostly Sunny
Wednesday Night

Low: 30 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of showers after 3am. Cloudy, with a temperature rising to around 38 by 5am. Breezy, with an east southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 10am. High near 56. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain, possibly mixed with snow showers before 10pm, then snow and sleet between 10pm and 11pm, then snow after 11pm. Patchy blowing snow after 1am. Low around 18. Windy, with a north northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly before 1pm. Widespread blowing snow, mainly before 1pm. Cloudy, with a high near 22. Wind chill values as low as -1. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Mostly cloudy, with a low around 6. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Snow showers, mainly after 1am. Low around 19. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 61.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
De Kalb IL
41.92°N 88.76°W
41.92°N 88.76°W
6:56 pm CDT Mar 14, 2026
7pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026


