Weather Alerts Map

Chicago weather alerts

There are no active weather alerts for Chicago, IL right now.

The National Weather Service issues alerts for Chicago as part of Cook County.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

Map data: NWS, OpenFreeMap, OpenStreetMap

Tornado history within 25 miles of Chicago

132 tornadoes have been recorded within 25 miles of Chicago since 1950, killing 41 people and injuring 926. The most recent was on March 19, 2025 (rated EF0).

EF0: 56EF056EF1: 50EF150EF2: 20EF220EF3: 4EF34EF4: 2EF42EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes within 25 miles of Chicago

DateRatingCountyPath lengthWidthDeathsInjuries
April 21, 1967F4Cook County15 mi200 yd33500
June 13, 1976F4Cook County3.3 mi1,760 yd223
March 12, 1976F3Kendall County22.6 mi30 yd03
June 20, 2021EF3DuPage County17.6 mi600 yd011
March 27, 1991F3Will County15 mi200 yd07

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
March 19, 2025EF0Lake County1.8 mi50 yd00
March 19, 2025EF1Lake County0.7 mi50 yd01
March 19, 2025EF0Lake County0.4 mi50 yd00
March 19, 2025EF0Lake County1.9 mi50 yd00
March 19, 2025EF0Cook County0.3 mi50 yd00

Illinois tornado history and map →

How often alerts are issued for Cook County

Alert type2016–2025Last issued
Flood Advisory329November 13, 2026
Severe Thunderstorm Warning269August 12, 2026
Flood Warning105September 20, 2026
Winter Weather Advisory100November 13, 2026
Dense Fog Advisory95October 20, 2026
Wind Advisory72June 28, 2026
Severe Thunderstorm Watch67August 21, 2026
Flash Flood Warning62August 1, 2026
Flood Watch55October 1, 2026
Tornado Warning34August 11, 2026

Full Cook County alert history →

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