Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Thunderstorm Light Rain

73°F

23°C

Humidity 94%
Wind Speed Vrbl 3 mph
Barometer 30.07 in (1017.7 mb)
Dewpoint 71°F (22°C)
Visibility 7.00 mi
Last update 8 Sep 8:54 pm CDT
Extended Forecast for

Des Moines IA

Flash Flood Warning September 8, 09:45pm until September 9, 12:30am
Click here for hazard details and duration
Flash Flood Warning
  •  
    Flash Flood Warning September 8, 09:45pm until September 9, 12:30am

    NOW until 12:30am Wed

    Flash Flood Warning

  • Tonight

    Low: 71 °F

    T-storms
    Likely then
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 10am, then a slight chance of showers between 10am and 11am.  Patchy fog between 8am and 9am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 84. Light and variable wind becoming north northwest around 6 mph in the afternoon.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 62. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 62 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 71. East northeast wind 5 to 7 mph becoming light and variable. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers and thunderstorms likely before 10am, then a slight chance of showers between 10am and 11am. Patchy fog between 8am and 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 84. Light and variable wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 63. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind.
Thursday Night
Clear, with a low around 62. Calm wind becoming south southeast around 5 mph after midnight.
Friday
Sunny, with a high near 86.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Saturday Night
A 40 percent chance of showers. Partly cloudy, with a low around 61.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Des Moines IA
 41.58°N 93.63°W
8:16 pm CDT Sep 8, 2026
9pm CDT Sep 8, 2026-6pm CDT Sep 15, 2026
 
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Additional Resources

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