Davenport, Iowa Weather:
Active Weather Warnings
Sunday, September 20, 2026
Stormy Weather
Day 70°
Night 59°
Precipitation 88 %
Wind 9 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (September 20, 2025)
Stormy Weather

Day

79°

Night

61°

Wind

5 mph

Precipitation

49 %

Weather Alerts and Warnings for

Severe Future Possible

Flood Watch

Flood Watch issued September 19 at 11:36AM CDT until September 20 at 7:00AM CDT by NWS Quad Cities IA IL
Sep 19, 11:36 AM Sep 20, 7:00 AM
WHAT: Flooding caused by excessive rainfall continues to be
possible.

WHERE: Portions of northwest Illinois, including the following
counties, Carroll, Jo Daviess, Mercer, Rock Island, Stephenson and
Whiteside and Iowa, including the following counties, Benton,
Buchanan, Cedar, Clinton, Delaware, Dubuque, Iowa, Jackson,
Johnson, Jones, Linn, Louisa, Muscatine, Scott and Washington.

WHEN: Through Sunday morning.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

ADDITIONAL DETAILS:
- Widespread showers and storms are expected to develop again this
evening and last into Sunday. These storms will be capable of
rainfall rates between 1 to 2 inches per hour. Rainfall totals of
1 to 3 inches are likely in the hardest hit areas tonight, with
the potential for localized areas of 3+ inches.
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You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: Sep 19, 3:20 PM Source: NWS Alert