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

87°F

31°C

Humidity 39%
Wind Speed Vrbl 7 G 18 mph
Barometer 30.14 in (1019.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 1:53 pm CDT
Extended Forecast for

Sigourney IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. South wind around 10 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 88 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. South wind around 10 mph.
Tonight
Clear, with a low around 64. South wind around 5 mph.
Saturday
Sunny, with a high near 88. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Clear, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 87.
Sunday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 75.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Mostly sunny, with a high near 70.
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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:
1:21 pm CDT Oct 3, 2025
Forecast Valid:
2pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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