Des Moines, Iowa Weather:
Active Weather Warnings
Saturday, August 15, 2026
Sunny with a Chance of Thunderstorms
Day 86°
Night 72°
Precipitation 55 %
Wind 7 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (August 15, 2025)
Cloudy Night

Day

91°

Night

75°

Wind

10 mph

Precipitation

49 %

Weather Alerts and Warnings for

Severe Future Possible

Flood Watch

Flood Watch issued August 14 at 3:30AM CDT until August 15 at 10:00AM CDT by NWS Des Moines IA
Aug 14, 3:30 AM Aug 15, 10:00 AM
WHAT: Flash flooding caused by excessive rainfall continues to be
possible.

WHERE: Much of central Iowa.

WHEN: Through Saturday morning.

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

ADDITIONAL DETAILS:
- Several rounds of rainfall have occurred this week with more
rain to come early this morning through Saturday morning with
the potential to repeat over the same area leading to rain
quickly accumulating as well as high rain rates of 1 to 2
inches per hour.
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You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. For the latest stream observations and forecasts refer to weather.gov/desmoines/water.
Updated: Aug 14, 12:41 PM Source: NWS Alert