National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

67°F

19°C

Humidity 44%
Wind Speed E 9 mph
Barometer 30.29 in (1025.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 2 Jun 8:53 am CDT
Extended Forecast for

Sigourney IA

  • Today

    Today: Sunny, with a high near 83. East wind 10 to 15 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. East wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. South wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. South wind 5 to 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 83. East wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 55. East wind 5 to 10 mph.
Wednesday
Sunny, with a high near 83. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 58. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 64.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 88.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sigourney IA
 41.33°N 92.2°W (Elev. 801 ft)
Last Update:
5:51 am CDT Jun 2, 2026
Forecast Valid:
9am CDT Jun 2, 2026-6pm CDT Jun 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation