Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

A Few Clouds

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 30.01 in (1015.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 3 Jul 3:53 am CDT
Extended Forecast for

5 Miles N Blakesburg IA

Extreme Heat Warning July 3, 05:02am until July 3, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 3, 05:02am until July 3, 10:00pm

    NOW until 10:00pm Fri

    Extreme Heat Warning

  • Overnight

    Low: 74 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 91. South southwest wind 7 to 9 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 11pm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 71. South wind around 7 mph becoming east northeast in the evening.  New rainfall amounts between three quarters and one inch possible.

    Low: 71 °F

    Heavy Rain

  • Independence Day

    Independence Day: A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 89. West southwest wind 7 to 9 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 68. West wind 3 to 6 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a steady temperature around 74. South wind around 6 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. South southwest wind 7 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 11pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South wind around 7 mph becoming east northeast in the evening. New rainfall amounts between three quarters and one inch possible.
Independence Day
A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 89. West southwest wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. West wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Blakesburg IA
 41.03°N 92.65°W
2:32 am CDT Jul 3, 2026
5am CDT Jul 3, 2026-6pm CDT Jul 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

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