Dangerous Heat Continues; Monitoring Excessive Rainfall and Flash Flooding

The heat continues along and east of the Mississippi River. The most significant cumulative heat impacts are expected across the Mid-Atlantic through today and eastern Ohio Valley through Friday. Severe weather and heavy rainfall potential from the Southwest, Plains, upper Midwest, Great Lakes, mid-Atlantic and Northeast the next couple of days. A disturbance near the Marianas may bring flooding. Read More >

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Partly Cloudy

84°F

29°C

Humidity 67%
Wind Speed S 8 mph
Barometer 29.82 in (1009.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 26 Jun 6:53 pm CDT
Extended Forecast for

Agency IA

Severe T-storm Watch June 26, 06:59pm until June 26, 09:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch June 26, 06:59pm until June 26, 09:00pm

    NOW until 9:00pm Thu

    Severe T-storm Watch

  • Tonight

    Low: 69 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms before 7am.  Cloudy, then gradually becoming mostly sunny, with a high near 84. West northwest wind around 7 mph.

    High: 84 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. Northwest wind around 6 mph becoming light and variable  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92. South wind around 6 mph.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South wind around 6 mph.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 93. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 1am. Some of the storms could be severe. Mostly cloudy, with a low around 69. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 10 percent chance of showers and thunderstorms before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 84. West northwest wind around 7 mph.
Friday Night
Partly cloudy, with a low around 70. Northwest wind around 6 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 92. South wind around 6 mph.
Saturday Night
Mostly clear, with a low around 72. South wind around 6 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Agency IA
 41°N 92.3°W
6:20 pm CDT Jun 26, 2025
6pm CDT Jun 26, 2025-6pm CDT Jul 3, 2025
 
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Additional Resources

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