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Active Weather Warnings

Weather in Davenport, Iowa

03:02 PM
Now
Stormy Weather
79° F
Feels Like 82°
Precipitation 70 %
Wind 9 mph
UV Index (0 - 11+) 1
Humidity 86 %
Today
Stormy Weather
Day 82°
Night 66°
Precipitation 99 %
Wind 9 mph
UV Index (0 - 11+) 1

Davenport Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 19, 2025)
Stormy Weather

Day

82°

Night

61°

Wind

4 mph

Precipitation

80 %

Air Quality in Davenport

NOW
42 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.88 µg/m³
PM10 8.63 µg/m³
O3 0.045 ppm
NO2 0.6 ppb
SO2 0.5 ppb
CO 0.12 ppm
NH3 1.4 µg/m³
NO 0.12 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.57.88 µg/m³
PM108.63 µg/m³
O388.48 µg/m³
NO21.12 µg/m³
SO21.29 µg/m³
CO135.15 µg/m³
NH31.4 µg/m³
NO0.12 µg/m³

Weather Alerts and Warnings for Davenport

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.
+ Read More
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, 1:52 PM Source: NWS Alert