Widespread Excessive Heat and Humidity in Midwest to Spread to East Coast

High pressure building across the Central and Eastern U.S. will produce a dangerous combination of heat and humidity. Heat indices from unusually high dewpoints and well above normal temperatures may reach 110 to 115 degrees. In addition, near record warm low temperatures will limit recovery from hot daytime temperatures. Read More >

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

91°F

33°C

Humidity 64%
Wind Speed S 13 G 25 mph
Barometer 29.72 in (1005.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 18 Jul 5:53 pm CDT
Extended Forecast for

3 Miles W Chillicothe IA

Excessive Heat Warning until July 20, 07:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 20, 07:00pm

    NOW until
    7:00pm Sat

    Excessive Heat Warning

  • Tonight

    Tonight: Mostly clear, with a low around 80. South southwest wind 9 to 11 mph.

    Mostly Clear

    Low: 80 °F

  • Friday

    Friday: Sunny, with a high near 96. Heat index values as high as 110. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    Sunny

    High: 96 °F

  • Friday
    Night

    Friday Night: Clear, with a low around 78. South wind 9 to 11 mph.

    Clear

    Low: 78 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 95. Heat index values as high as 105. Southwest wind 6 to 9 mph.

    Sunny then
    Slight Chance
    T-storms

    High: 95 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm  in the evening.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 70 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 82. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 82 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 62.

    Partly Cloudy

    Low: 62 °F

  • Monday

    Monday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 80. South southwest wind 9 to 11 mph.
Friday
Sunny, with a high near 96. Heat index values as high as 110. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 78. South wind 9 to 11 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Heat index values as high as 105. Southwest wind 6 to 9 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
3 Miles W Chillicothe IA
 41.09°N 92.59°W
6:32 pm CDT Jul 18, 2019
6pm CDT Jul 18, 2019-6pm CDT Jul 25, 2019
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database