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

35°F

2°C

Humidity 52%
Wind Speed S 5 mph
Barometer 29.88 in (1012.1 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 27 Feb 12:53 am CST
Extended Forecast for

Sigourney IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 33. South wind around 5 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. Breezy, with a southwest wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 65 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 27. Northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 40. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 40 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of snow after noon. Mostly cloudy, with a high near 34. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Snow Likely
    then Chance
    Snow

  • Monday

    Monday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 33. South wind around 5 mph.
Friday
Sunny, with a high near 65. Breezy, with a southwest wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Increasing clouds, with a low around 27. Northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 17.
Sunday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 34. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 40.
Monday Night
A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 27.
Tuesday
A 50 percent chance of rain. Cloudy, with a high near 41.
Tuesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 30.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 47.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sigourney IA
 41.33°N 92.2°W (Elev. 801 ft)
Last Update:
1:26 am CST Feb 27, 2026
Forecast Valid:
1am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation