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Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

69°F

21°C

Humidity 84%
Wind Speed S 8 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 4 Aug 1:53 am CDT
Extended Forecast for

Sigourney IA

  • Overnight

    Overnight: Mostly clear, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. South wind 5 to 10 mph becoming northwest in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 64. North wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 64 °F

    Chance
    T-storms then
    Heavy Rain

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. High near 77. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Heavy Rain
    then Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 59. New precipitation amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 63. South wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. South wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 64. North wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. High near 77. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 90.
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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:
2:31 am CDT Aug 4, 2026
Forecast Valid:
2am CDT Aug 4, 2026-6pm CDT Aug 10, 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