Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Mostly Cloudy

81°F

27°C

Humidity 85%
Wind Speed SE 9 mph
Barometer 29.79 in (1007.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 12 Aug 1:54 am CDT
Extended Forecast for

Des Moines IA

Severe T-storm Watch until August 12, 10:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 12, 10:00am

    NOW until 10:00am Wed

    Severe T-storm Watch

  • Overnight

    Low: 76 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms before 11am.  Partly sunny, with a high near 89. Heat index values as high as 103. East wind around 8 mph becoming north in the morning. Winds could gust as high as 23 mph.  New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 71. East northeast wind 5 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  High near 82. East wind 6 to 8 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm.  Low around 68. East northeast wind 7 to 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, with a high near 83. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 76. East wind 3 to 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms before 11am. Partly sunny, with a high near 89. Heat index values as high as 103. East wind around 8 mph becoming north in the morning. Winds could gust as high as 23 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 71. East northeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 82. East wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 68. East northeast wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 83. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
Mostly cloudy, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Des Moines IA
 41.58°N 93.63°W
1:16 am CDT Aug 12, 2026
2am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
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Additional Resources

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