Severe Storms and Heavy Rain in Texas; Record Heat Along the East Coast

Scattered severe storms with large hail, isolated severe gusts, and localized flooding are expected across parts of west Texas. Isolated flash flooding is also possible in the central Gulf coast. An early season heat wave will continue to impact the eastern U.S. today, before isolated severe storms move across the central Appalachians into the Mid-Atlantic and far southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

49°F

9°C

Humidity 77%
Wind Speed N 12 mph
Barometer 30.30 in (1026.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 May 7:53 am CDT
Extended Forecast for

5 Miles SSW Chillicothe IA

  • Today

    Today: Sunny, with a high near 64. North northeast wind 8 to 10 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. East northeast wind 6 to 8 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 10am and 1pm.  Partly sunny, with a high near 66. East wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am.  Cloudy, with a low around 50. East wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers.  High near 63. East wind 11 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 73.

    High: 73 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 64. North northeast wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around 46. East northeast wind 6 to 8 mph.
Thursday
A slight chance of showers between 10am and 1pm. Partly sunny, with a high near 66. East wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 50. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers. High near 63. East wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 57.
Memorial Day
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Chillicothe IA
 41.03°N 92.56°W
8:36 am CDT May 20, 2026
8am CDT May 20, 2026-6pm CDT May 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database