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

77°F

25°C

Humidity 31%
Wind Speed SW 13 mph
Barometer 29.63 in (1002.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 9 Mar 4:53 pm CDT
Extended Forecast for

Sigourney IA

  • Tonight

    Tonight: Clear, with a low around 45. Southwest wind around 5 mph becoming east in the evening.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 68. East wind 5 to 10 mph.

    High: 68 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 38. Northeast wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 48 °F

    Chance Rain
    and Breezy

  • Wednesday Night

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

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Breezy.

    High: 54 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 45. Southwest wind around 5 mph becoming east in the evening.
Tuesday
A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 68. East wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 38. Northeast wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Mostly sunny, with a high near 54. Breezy.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 37.
Friday
Mostly cloudy, with a high near 51.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 18. Blustery.
Monday
Mostly sunny, with a high near 33.
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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:
1:26 pm CDT Mar 9, 2026
Forecast Valid:
5pm CDT Mar 9, 2026-6pm CDT Mar 16, 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