Active Weather Alerts
Severe Thunderstorm Warning
Issued: 12:14 AM Apr. 3, 2026 – National Weather Service
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR EAST CENTRAL OGLE...NORTHERN DE KALB...NORTHERN KANE...MCHENRY AND SOUTHERN BOONE COUNTIES... At 713 PM CDT, severe thunderstorms were located along a line extending from near Harvard to near Marengo to near Kirkland, moving northeast at 65 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. These severe storms will be near... Woodstock, Huntley, Marengo, Genoa, Hebron, Kingston, and Bull Valley around 720 PM CDT. Crystal Lake, Lake in the Hills, McHenry, Hampshire, Wonder Lake, and Lakewood around 725 PM CDT. Johnsburg, Lakemoor, Spring Grove, Pistakee Highlands, Prairie Grove, Richmond, and McCullom Lake around 730 PM CDT. Fox Lake around 735 PM CDT. Island Lake around 740 PM CDT. Oakwood Hills around 745 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 1100 PM CDT for north central and northeastern Illinois. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. && TORNADO...POSSIBLE; THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.00 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...70 MPH
Severe Thunderstorm Warning
Issued: 12:06 AM Apr. 3, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Northeastern La Salle County in north central Illinois... Southern De Kalb County in north central Illinois... * Until 730 PM CDT. * At 705 PM CDT, severe thunderstorms were located along a line extending from near Earlville to 6 miles north of North Utica, moving northeast at 50 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... Earlville around 710 PM CDT. Leland around 715 PM CDT. Sheridan, Lake Holiday, Somonauk, and Serena around 720 PM CDT. Other locations impacted by these severe thunderstorms include Prairie Center, Harding, Norway, Dayton, Wedron, and Millington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 1100 PM CDT for north central and northeastern Illinois. && TORNADO...POSSIBLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.00 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Severe Thunderstorm Warning
Issued: 12:00 AM Apr. 3, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Southeastern Ogle County in north central Illinois... Northern De Kalb County in north central Illinois... Northern Kane County in northeastern Illinois... McHenry County in northeastern Illinois... Southern Boone County in north central Illinois... * Until 800 PM CDT. * At 700 PM CDT, severe thunderstorms were located along a line extending from near Belvidere to near Kirkland to 7 miles north of Malta to near Hillcrest to Rochelle, moving northeast at 60 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Severe thunderstorms will be near... Rochelle, Marengo, Genoa, Kirkland, Hillcrest, and Kingston around 705 PM CDT. Harvard around 710 PM CDT. Woodstock around 715 PM CDT. Huntley, Hampshire, Wonder Lake, Hebron, and Bull Valley around 720 PM CDT. Crystal Lake, Lake in the Hills, McHenry, Johnsburg, Lakewood, Richmond, and McCullom Lake around 725 PM CDT. Fox Lake, Lakemoor, Spring Grove, Pistakee Highlands, and Prairie Grove around 730 PM CDT. Island Lake around 735 PM CDT. Algonquin around 740 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 1100 PM CDT for north central and northeastern Illinois. && TORNADO...POSSIBLE; THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.00 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...70 MPH
Tornado Watch
Issued: 11:53 PM Apr. 2, 2026 – National Weather Service
TORNADO WATCH 89, PREVIOUSLY IN EFFECT UNTIL 8 PM CDT THIS EVENING, IS NOW IN EFFECT UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 10 COUNTIES IN NORTH CENTRAL ILLINOIS BOONE DE KALB LA SALLE LEE OGLE WINNEBAGO IN NORTHEAST ILLINOIS GRUNDY KANE KENDALL MCHENRY THIS INCLUDES THE CITIES OF ALGONQUIN, AURORA, BELVIDERE, BYRON, COAL CITY, CRYSTAL LAKE, DEKALB, DIXON, ELGIN, LA SALLE, MARSEILLES, MCHENRY, MENDOTA, MINOOKA, MORRIS, OREGON, OSWEGO, OTTAWA, PLANO, ROCHELLE, ROCKFORD, STREATOR, SYCAMORE, WOODSTOCK, AND YORKVILLE.
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