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

33°F

1°C

Humidity 61%
Wind Speed N 9 mph
Barometer 30.03 in (1017.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Feb 1:53 am CST
Extended Forecast for

Sigourney IA

  • Overnight

    Overnight: Partly cloudy, with a low around 27. North wind around 10 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 44. East wind 10 to 15 mph.

    High: 44 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 18. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of snow after noon. Increasing clouds, with a high near 33. Northeast wind around 10 mph.

    High: 33 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.

    High: 46 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Partly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. North wind around 10 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 44. East wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 18. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of snow after noon. Increasing clouds, with a high near 33. Northeast wind around 10 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 42.
Monday Night
Rain, mainly after midnight. Low around 32. Chance of precipitation is 80%.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 32.
Wednesday
A 50 percent chance of rain. Mostly sunny, with a high near 51.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 60.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 43.
Friday
Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
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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:
12:26 am CST Feb 28, 2026
Forecast Valid:
2am CST Feb 28, 2026-6pm CST Mar 6, 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