Widespread Summer Heat; Enhanced Severe Weather

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, south-central Plains, Mid to Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, an enhanced risk of organized severe thunderstorms is possible from Iowa to Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Thunderstorm in Vicinity Light Rain

21°C

69°F

Humidity 93%
Wind Speed SE 11 km/h
Barometer 1015.3 mb (30.00 in)
Dewpoint 19°C (67°F)
Visibility 16 km
Last update 20 Aug 8:53 am CDT
Extended Forecast for

3 Miles W Chillicothe IA

  • Today

    Today: A 40 percent chance of showers and thunderstorms before noon. Some of the storms could be severe.  Cloudy, then gradually becoming mostly sunny, with a high near 32. East southeast wind 11 to 16 km/h becoming west southwest in the afternoon.  New precipitation amounts between 7.5 mm and 1 cm possible.

    Severe
    Thunderstorms
    then Partly
    Sunny

    High: 32 °C

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms after 2am.  Increasing clouds, with a low around 22. Calm wind.  New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Mostly Clear
    then Chance
    T-storms

    Low: 22 °C

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 1pm.  Mostly cloudy, with a high near 27. Northwest wind 5 to 11 km/h becoming north northeast in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.

    T-storms
    Likely

    High: 27 °C

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 16. Calm wind.  New rainfall amounts between 2.5 and 5 mm possible.

    Chance
    T-storms

    Low: 16 °C

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 26. Northeast wind 3 to 8 km/h.  New rainfall amounts between 2.5 and 5 mm possible.

    Chance
    T-storms

    High: 26 °C

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 15.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 15 °C

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 26.

    Slight Chance
    T-storms

    High: 26 °C

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 15.

    Partly Cloudy

    Low: 15 °C

  • Saturday

    Saturday: Mostly sunny, with a high near 26.

    Mostly Sunny

    High: 26 °C

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms before noon. Some of the storms could be severe. Cloudy, then gradually becoming mostly sunny, with a high near 32. East southeast wind 11 to 16 km/h becoming west southwest in the afternoon. New precipitation amounts between 7.5 mm and 1 cm possible.
Tonight
A 50 percent chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 22. Calm wind. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 27. Northwest wind 5 to 11 km/h becoming north northeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 16. Calm wind. New rainfall amounts between 2.5 and 5 mm possible.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 26. Northeast wind 3 to 8 km/h. New rainfall amounts between 2.5 and 5 mm possible.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 15.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 28.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 19.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29.
Click Map For Forecast
Point Forecast:
3 Miles W Chillicothe IA
 41.09°N 92.59°W
8:03 am CDT Aug 20, 2019
9am CDT Aug 20, 2019-6pm CDT Aug 26, 2019
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database