Winter Storm Warning Port Byron, Illinois

Winter alerts in Port Byron, newest first, in effect or ended
Alert	State	Severity	Places
Winter Weather AdvisoryEnded Gusts up to 40 mph. Issued March 16 Ended March 17, 2026	Illinois	Moderate	174 places Port Byron Moline Rock Island Freeport East Moline Macomb Sterling Kewanee Monmouth Rock Falls and 164 more
Winter Weather AdvisoryEnded 2 to 4 inches of snow. Issued December 12 Ended December 13, 2025	Illinois	Moderate	129 places Port Byron Moline Rock Island East Moline Macomb Kewanee Monmouth Silvis Princeton Geneseo and 119 more
Winter Weather AdvisoryEnded 2 to 4 inches of snow with isolated amounts to 5 inches. Issued December 11 Ended December 12, 2025	Illinois	Moderate	100 places Port Byron Moline Rock Island East Moline Macomb Kewanee Monmouth Silvis Geneseo Milan and 90 more
Winter Weather AdvisoryEnded 2 to 4 inches of snow with the highest amounts anticipated north of I-80. Issued December 5 Ended December 7, 2025	Illinois	Moderate	174 places Port Byron Moline Rock Island Freeport East Moline Macomb Sterling Kewanee Monmouth Rock Falls and 164 more
Winter Weather AdvisoryEnded 2 to 4 inches of snow. Issued November 30 Ended December 2, 2025	Illinois	Moderate	150 places Port Byron Moline Rock Island East Moline Macomb Sterling Kewanee Monmouth Rock Falls Silvis and 140 more
Winter Weather AdvisoryEnded Gusts up to 40 mph. Issued November 30 Ended November 30, 2025	Illinois	Moderate	87 places Port Byron Moline Rock Island Freeport East Moline Sterling Kewanee Rock Falls Silvis Geneseo and 77 more