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

61°F

16°C

Humidity 97%
Wind Speed S 13 mph
Barometer 29.79 in (1008.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 13 Apr 12:53 am CDT
Extended Forecast for

Sigourney IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 78 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 65 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 30 mph.
Tuesday
A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 55.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 80. Breezy. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 57.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Sigourney IA
 41.33°N 92.2°W (Elev. 801 ft)
Last Update:
8:26 pm CDT Apr 12, 2026
Forecast Valid:
1am CDT Apr 13, 2026-6pm CDT Apr 19, 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