National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

38°F

3°C

Humidity 57%
Wind Speed SW 9 mph
Barometer 30.14 in (1021.1 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 18 Apr 11:53 pm CDT
Extended Forecast for

Sigourney IA

  • Overnight

    Overnight: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. West wind 5 to 10 mph.

    Low: 32 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, increasing clouds, with a high near 55. West wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 55 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 62. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 62 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. West wind 5 to 10 mph.
Sunday
Widespread frost, mainly before 8am. Otherwise, increasing clouds, with a high near 55. West wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 20 mph.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 62. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 78. Breezy.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 63.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 40.
Saturday
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:
11:51 pm CDT Apr 18, 2026
Forecast Valid:
12am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation