Weather Alerts for Johnston City, IL

Williamson County, Illinois

Johnston City is located in Williamson County, Illinois. This page shows active weather alerts affecting Johnston City issued by the National Weather Service.

NWS Forecast Office: Weather alerts for this area are issued by the National Weather Service PAH office.

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Active Alerts for Johnston City

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Active Alert Map — Illinois

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Weather Overview for Johnston City

Johnston City, Illinois experiences the hallmark Midwest weather cycle: spring and early summer tornado and severe thunderstorm outbreaks, summer flash flooding, and winter blizzards with wind chills well below zero.

Common alert types for this area:

Tornado Warning
Severe Thunderstorm Warning
Blizzard Warning
Flash Flood Warning
Winter Storm Warning

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