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 >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Overcast

69°F

21°C

Humidity 93%
Wind Speed NE 6 mph
Barometer 29.79 in (1008.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 7:53 am CDT
Extended Forecast for

5 Miles N Blakesburg IA

  • Today

    Today: A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly cloudy, with a high near 78. Light and variable wind becoming northwest 5 to 9 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 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 8 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
    Mostly Clear

  • 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 8 mph.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. Breezy, with a south wind 8 to 16 mph, with gusts as high as 28 mph.

    High: 92 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Clear, with a low around 76. Breezy.

    Low: 76 °F

    Clear then
    Mostly Clear
    and Breezy

  • Saturday

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

    High: 95 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 77. Breezy.

    Low: 77 °F

    Clear and
    Breezy then
    Clear

  • Sunday

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

    High: 95 °F

    Sunny and
    Breezy

Detailed Forecast

Today
A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 78. Light and variable wind becoming northwest 5 to 9 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 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 8 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 8 mph.
Friday
Sunny, with a high near 92. Breezy, with a south wind 8 to 16 mph, with gusts as high as 28 mph.
Friday Night
Clear, with a low around 76. Breezy.
Saturday
Sunny, with a high near 95. Breezy.
Saturday Night
Clear, with a low around 77. Breezy.
Sunday
Sunny, with a high near 95. Breezy.
Sunday Night
Mostly clear, with a low around 75. Breezy.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Blakesburg IA
 41.03°N 92.62°W
7:05 am CDT Jun 18, 2025
8am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database