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 67%
Wind Speed NW 6 mph
Barometer 29.68 in (1005.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 24 Feb 11:53 pm CST
Extended Forecast for

Sigourney IA

  • Overnight

    Overnight: Partly cloudy, with a low around 21. Northwest wind around 5 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Northwest wind 5 to 10 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 2am. Mostly cloudy, with a low around 23. North wind around 5 mph becoming southeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 45. Southeast wind 5 to 10 mph becoming west in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. Northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 38. Northwest wind 5 to 10 mph.
Wednesday Night
Snow likely, mainly before 2am. Mostly cloudy, with a low around 23. North wind around 5 mph becoming southeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 45. Southeast wind 5 to 10 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
A 40 percent chance of snow after noon. Partly sunny, with a high near 33.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
Mostly cloudy, with a high near 36.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 30%.
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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:
11:06 pm CST Feb 24, 2026
Forecast Valid:
12am CST Feb 25, 2026-6pm CST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation