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

85°F

29°C

Humidity 36%
Wind Speed S 18 G 29 mph
Barometer 29.67 in (1004.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 30 Mar 5:53 pm CDT
Extended Forecast for

Sigourney IA

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 61. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 61 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 77. Breezy, with a south wind 15 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph.

    High: 77 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 39. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 47. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 47 °F

    Chance
    Showers then
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 38. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 38 °F

    Heavy Rain

  • Thursday

    Thursday: Showers. High near 61. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers

  • Thursday Night

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

    Low: 37 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Showers

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 61. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 77. Breezy, with a south wind 15 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 39. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 47. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 38. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers. High near 61. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 37.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 67.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 42. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 52. Breezy.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 31. Breezy.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 30.
Monday
Mostly sunny, with a high near 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:
3:01 pm CDT Mar 30, 2026
Forecast Valid:
6pm CDT Mar 30, 2026-6pm CDT Apr 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