A wind advisory is in effect for Johnson County as of 4:41 PM CDT.
Open the live map on Johnson County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of Johnson County. Tap your own street on it for times that apply to you.
WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
A Wind Advisory means that sustained winds of at least 20 to 30 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Boaters should use extra caution when venturing onto area lakes. Residents may wish to take action to secure trash cans, lawn…
The most recent tornado warning that included Johnson County was issued Apr 28, 2026 by the Weather Service office in Fort Worth/Dallas, TX.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Oct 15, 2026 | 6:26 PM CDT | Severe thunderstorm warning | FWD | text |
| Oct 1, 2026 | 9:33 AM CDT | Flash flood warning | FWD | text |
| Sep 20, 2026 | 5:48 PM CDT | Severe thunderstorm warning | FWD | text |
| Sep 20, 2026 | 4:46 PM CDT | Severe thunderstorm warning | FWD | text |
| Sep 11, 2026 | 2:29 PM CDT | Severe thunderstorm warning | FWD | text |
| Jul 22, 2026 | 5:39 PM CDT | Severe thunderstorm warning | FWD | text |
| Jun 7, 2026 | 2:06 AM CDT | Flash flood warning | FWD | text |
| Jun 6, 2026 | 11:23 PM CDT | Flash flood warning | FWD | text |
| Jun 6, 2026 | 7:39 PM CDT | Severe thunderstorm warning | FWD | text |
| Jun 2, 2026 | 5:07 PM CDT | Severe thunderstorm warning | FWD | text |
| May 28, 2026 | 4:56 PM CDT | Severe thunderstorm warning | FWD | text |
| May 28, 2026 | 4:12 PM CDT | Severe thunderstorm warning | FWD | text |
A warning counts here if the Weather Service listed Johnson County in it, even if the warned area covered only part of the county.
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.