DeKalb County IL Severe Weather

DeKalb County IL Severe Weather This is the unofficial severe weather page for DeKalb county IL.

SEVERE THUNDERSTORM WARNING: The National Weather Service in Chicago has issued a Severe Thunderstorm Warning for Northe...
08/18/2025

SEVERE THUNDERSTORM WARNING: The National Weather Service in Chicago has issued a
Severe Thunderstorm Warning for Northeastern Lee County in north central Illinois Southeastern Ogle County in north central Illinois De Kalb County in north central Illinois Northwestern Kane County in northeastern Illinois Until 430 PM CDT. At 339 PM CDT, severe thunderstorms were located along a line extending from near Genoa to near Kingston to 7 miles south of Ashton, moving east at 25 mph.

HAZARD: 60 mph wind gusts and quarter size hail.

SOURCE:Radar indicated.

IMPACT: Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

Severe thunderstorms will be near Kingston, Genoa, and Malta around 345 PM CDT. Hampshire, DeKalb, and Sycamore around 350 PM CDT. Huntley around 355 PM CDT. Cortland around 400 PM CDT. Shabbona around 405 PM CDT. Other locations impacted by these severe thunderstorms include Creston, Lee, Burlington, and Steward.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

08/17/2025

UPDATE: The third round of storms will be hitting just after dark. For your safety you should stay indoors and keep a device charged and avaliable for weather updates. There is a chance for pop up tornadoes. Tornadoes in the dark may be invisible to the naked eye making them more dangerous. Do not try to watch or interact with this storm.

Severe thunderstorm front moving into Kingston moving southeast from rockford.
08/16/2025

Severe thunderstorm front moving into Kingston moving southeast from rockford.

SEVERE THUNDERSTORM WARNING: The national weather service has issued a severe thunderstorms warning for northern dekalb ...
08/16/2025

SEVERE THUNDERSTORM WARNING: The national weather service has issued a severe thunderstorms warning for northern dekalb county.County. Severe thunderstorms were located on a line extending from crystal lake to near Kirkland. Moving southeast at 30 MPH. 60 MPH wind and half dollar sized hail is possible. Hail damage is expected as well as wind damage for your protection move to an interior room on the lowest floor of a building.

SEVERE THUNDERSTORM WATCH: The national weather service has issued a sever thunderstorm watch for dekalb County until 7:...
08/16/2025

SEVERE THUNDERSTORM WATCH: The national weather service has issued a sever thunderstorm watch for dekalb County until 7:00 pm

Heavy rain in sycamore causing low visibility. Turn on your headlights and use caution if traveling.
08/10/2025

Heavy rain in sycamore causing low visibility. Turn on your headlights and use caution if traveling.

Anybody in the circled region or area in front of the arrows be prepared for lightning, heavy rain, strong wind, and the...
08/09/2025

Anybody in the circled region or area in front of the arrows be prepared for lightning, heavy rain, strong wind, and the possibility for hail. Stay safe and dont be stupid.

SPECIAL WEATHER STATEMENT: A severe thunderstorm has been located near malta moving northeast at 20 MPH. Localized wind ...
08/09/2025

SPECIAL WEATHER STATEMENT: A severe thunderstorm has been located near malta moving northeast at 20 MPH. Localized wind up to 50 MPH may knock down limbs and small trees. Locations include but are not limited to DeKalb, malta and courtland.

SEVERE THUNDERSTORM WARNING: A severe thunderstorm has been spotted near Ottawa moving east at 45 MPH. Expect damage to ...
07/16/2025

SEVERE THUNDERSTORM WARNING: A severe thunderstorm has been spotted near Ottawa moving east at 45 MPH. Expect damage to roofs and siding from winds and hail.

SPECIAL WEATHER STATEMENT: A strong thunderstorm was spotted moving east over sycamore at 45 MPH. Wind gusts up to 50 MP...
07/16/2025

SPECIAL WEATHER STATEMENT: A strong thunderstorm was spotted moving east over sycamore at 45 MPH. Wind gusts up to 50 MPH are possible. Tree branches may be knocked down.

SEVERE THUNDERSTORM WARNING: The national weather service has issued a severe thunderstorm warning for Western dekalb co...
07/16/2025

SEVERE THUNDERSTORM WARNING: The national weather service has issued a severe thunderstorm warning for Western dekalb county. A thunderstorm was located moving east at 39 MPH. This is a radar indicated storm. Damage to roofs, siding or trees is possible.

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Sycamore, IL

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