Flash Flood Warning: De Kalb, La Salle & Lee Counties IL — 2:12 AM–8:00 AM CDT
Flash Flood Warning issued for De Kalb, La Salle & Lee County IL at 2:12 AM CDT Sept. 20 — up to 3 in. rain, flooding ongoing through 8 AM.
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1.00–1.50 inch hail confirmed across northern Illinois on Aug 22
NWS confirmed 1.00–1.50 inch hail across northern Illinois on August 22, 2026. What Sycamore, Machesney Park, Mendota, and Savanna homeowners need to know.
Quarter to ping-pong ball hail confirmed across 4 northern Illinois counties, Aug 22
Quarter to ping-pong ball hail confirmed across 4 northern Illinois counties on Aug 22, 2026. Sycamore, Machesney Park, Mendota, Savanna affected.
Quarter to ping-pong ball hail confirmed across north-central Illinois – Aug 21, 2026
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Quarter-size hail confirmed near Sycamore, De Kalb County, IL
NWS-confirmed 1-inch hail struck near Sycamore, De Kalb County, IL on August 21, 2026. Homeowners in Sycamore and DeKalb should inspect now.
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