Johnson County, IA
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Monday 04/20 12:00 AM CDT – Monday 04/20 9:00 AM CDT
Issued by NWS Quad Cities IA IL
What
Sub-freezing temperatures in the mid to upper 20s.
Where
Portions of north central, northwest, and west central Illinois and east central, northeast, and southeast Iowa.
When
From midnight tonight to 9 AM CDT Monday.
Impacts
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
What to do
Take steps now to protect tender plants from the cold.
Areas impacted
- Buchanan
- Delaware
- Dubuque
- Benton
- Linn
- Jones
- Jackson
- Iowa
- Johnson
- Cedar
- Clinton
- Muscatine
- Scott
- Keokuk
- Washington
- Louisa
- Jefferson
- Henry
- Des Moines
- Van Buren
- Lee
- Jo Daviess
- Stephenson
- Carroll
- Whiteside
- Rock Island
- Henry
- Bureau
- Putnam
- Mercer
- Henderson
- Warren
- Hancock
- McDonough
Tips to stay safe
A Freeze Warning means that temperatures will drop below freezing in your area.
- Bring young or vulnerable plants indoors to protect them from the cold
- Wrap or drain outdoor pipes to prevent them from freezing
- Drain in-ground sprinkler systems
Briefing
From the forecaster
The Week Ahead
Created by the NWS Quad Cities WFO
After an area-wide freeze Sunday night, temperatures will slowly rise through midweek. Calm weather will accompany this warm up before a more active pattern returns towards the end of the week.
Seven-day weather risk overview
Daily weather risk summary
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