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.

Mostly Cloudy

37°F

3°C

Humidity 52%
Wind Speed NW 10 mph
Barometer 30.11 in (1020.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Mar 9:53 pm CDT
Extended Forecast for

Sigourney IA

  • Tonight

    Tonight: A 20 percent chance of snow after 4am. Mostly cloudy, with a low around 30. North wind around 5 mph becoming east after midnight.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 10 percent chance of snow before 7am. Partly sunny, with a high near 51. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 1am. Increasing clouds, with a low around 42. East wind around 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain before 4pm, then snow, possibly mixed with rain. Some thunder is also possible. High near 60. Windy, with a south wind 15 to 20 mph becoming northwest 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 60 °F

    Rain and
    Breezy then
    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Widespread blowing snow, mainly after 10pm. Low around 9. Windy. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 9 °F

    Snow and
    Blowing Snow

  • Monday

    Monday: Areas of blowing snow. Partly sunny, with a high near 18. Windy.

    High: 18 °F

    Areas Blowing
    Snow and
    Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. Blustery.

    Low: 1 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Tonight
A 20 percent chance of snow after 4am. Mostly cloudy, with a low around 30. North wind around 5 mph becoming east after midnight.
Saturday
A 10 percent chance of snow before 7am. Partly sunny, with a high near 51. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 40 percent chance of rain after 1am. Increasing clouds, with a low around 42. East wind around 15 mph, with gusts as high as 25 mph.
Sunday
Rain before 4pm, then snow, possibly mixed with rain. Some thunder is also possible. High near 60. Windy, with a south wind 15 to 20 mph becoming northwest 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Snow, mainly before 1am. Widespread blowing snow, mainly after 10pm. Low around 9. Windy. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday
Areas of blowing snow. Partly sunny, with a high near 18. Windy.
Monday Night
Mostly clear, with a low around 1. Blustery.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
Sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 60.
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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:
8:52 pm CDT Mar 13, 2026
Forecast Valid:
10pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation