National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. this week. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England today. Read More >

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

A Few Clouds

86°F

30°C

Humidity 55%
Wind Speed SE 10 mph
Barometer 29.98 in (1014.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 29 Jul 2:54 pm CDT
Extended Forecast for

Des Moines International Airport IA

  • This Afternoon

    This Afternoon: Patchy smoke. Mostly sunny, with a high near 90. East southeast wind around 10 mph.

    High: 90 °F

    Patchy Smoke

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Southeast wind 8 to 11 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 87. South southeast wind 8 to 11 mph.

    High: 87 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 67. South southeast wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Slight Chance
    T-storms then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. Breezy, with a south wind 13 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64. Breezy.

    Low: 64 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Breezy.

    High: 81 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Patchy smoke. Mostly sunny, with a high near 90. East southeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 68. Southeast wind 8 to 11 mph.
Thursday
Increasing clouds, with a high near 87. South southeast wind 8 to 11 mph.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 67. South southeast wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. Breezy, with a south wind 13 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Mostly cloudy, with a low around 64. Breezy.
Saturday
Mostly sunny, with a high near 81. Breezy.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Des Moines International Airport IA
 41.54°N 93.66°W
Last Update:
2:22 pm CDT Jul 29, 2026
Forecast Valid:
3pm CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation