Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Light Rain Fog/Mist

71°F

22°C

Humidity 94%
Wind Speed N 8 mph
Barometer 29.76 in (1007.2 mb)
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Last update 18 Jun 12:53 pm CDT
Extended Forecast for

Ottumwa IASimilar City Names

Extreme Heat Watch June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly cloudy, with a high near 78. North northeast wind 6 to 9 mph becoming northwest.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 10pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 62. West northwest wind 6 to 9 mph.  New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 86. West northwest wind 6 to 8 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. South wind 5 to 7 mph.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. South wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Breezy.

    High: 96 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 95. Breezy.

    High: 95 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 78. North northeast wind 6 to 9 mph becoming northwest. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. West northwest wind 6 to 9 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Sunny, with a high near 86. West northwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 68. South wind 5 to 7 mph.
Friday
Sunny, with a high near 92. South wind 7 to 15 mph, with gusts as high as 26 mph.
Friday Night
Clear, with a low around 76.
Saturday
Sunny, with a high near 96. Breezy.
Saturday Night
Clear, with a low around 76.
Sunday
Sunny, with a high near 95. Breezy.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IASimilar City Names
 41.02°N 92.42°W
12:51 pm CDT Jun 18, 2025
1pm CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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Additional Resources

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