Des Moines, Iowa Weather:
Active Weather Warnings
Friday, September 4, 2026
Cloudy Weather
Day 95°
Night 75°
Precipitation 9 %
Wind 10 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (September 4, 2025)
Cloudy Night

Day

73°

Night

52°

Wind

13 mph

Precipitation

49 %

Weather Alerts and Warnings for

Moderate Expected Likely

Heat Advisory

Heat Advisory issued September 3 at 1:38PM CDT until September 5 at 7:00PM CDT by NWS Des Moines IA
Sep 3, 1:38 PM Sep 5, 7:00 PM
WHAT: Heat index values up to 105.

WHERE: Portions of central and southern Iowa.

WHEN: Until 7 PM CDT Saturday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.

ADDITIONAL DETAILS: While heat index values may not reach 105
degrees each day, the combination of the longevity of the heat and
little or limited relief during the overnight periods with warm
lows have prompted the multi-day Heat Advisory.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Updated: Sep 3, 5:31 PM Source: NWS Alert