Frost Advisory
FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY
Take steps now to protect tender plants from the cold.
Louisa County, Iowa: tornado and severe weather warnings
A frost advisory is in effect for Louisa County as of 4:21 PM CDT.
Open the live map on Louisa 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 Louisa County. Tap your own street on it for times that apply to you.
The last 12 months in Louisa County
- 5 tornado warnings
- 31 severe thunderstorm warnings
- 4 flash flood warnings
- 10 tornado watches
- 9 severe thunderstorm watches
The most recent tornado warning that included Louisa County was issued Aug 19, 2026 by the Weather Service office in Quad Cities, IA/IL.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 20, 2026 | 1:18 AM CDT | Severe thunderstorm warning | DVN | text |
| Sep 20, 2026 | 12:16 AM CDT | Flash flood warning | DVN | text |
| Aug 19, 2026 | 2:53 PM CDT | Tornado warning | DVN | text |
| Aug 15, 2026 | 9:23 PM CDT | Flash flood warning | DVN | text |
| Aug 14, 2026 | 4:59 AM CDT | Flash flood warning | DVN | text |
| Aug 13, 2026 | 9:36 AM CDT | Severe thunderstorm warning | DVN | text |
| Jul 20, 2026 | 11:52 AM CDT | Severe thunderstorm warning | DVN | text |
| Jun 17, 2026 | 7:57 AM CDT | Severe thunderstorm warning | DVN | text |
| Jun 17, 2026 | 7:55 AM CDT | Flash flood warning | DVN | text |
| Jun 17, 2026 | 7:17 AM CDT | Severe thunderstorm warning | DVN | text |
| Jun 17, 2026 | 7:08 AM CDT | Severe thunderstorm warning | DVN | text |
| Jun 17, 2026 | 5:52 AM CDT | Severe thunderstorm warning | DVN | text |
A warning counts here if the Weather Service listed Louisa County in it, even if the warned area covered only part of the county.
Nearby
- Muscatine County, IA
- Des Moines County, IA
- Henry County, IA
- Washington County, IA
- Mercer County, IL
- Henderson County, IL
- Johnson County, IA
- Cedar County, IA
- All of Iowa
What the alerts mean
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.