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

Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

70°F

21°C

Humidity 82%
Wind Speed N 6 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 12 Jul 9:53 pm CDT
Extended Forecast for

Sigourney IA

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm after midnight.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Southwest wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Southwest wind around 5 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 64. Southwest wind around 5 mph.
Monday
Sunny, with a high near 89. Southwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 70.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sigourney IA
 41.33°N 92.17°W (Elev. 715 ft)
Last Update:
9:03 pm CDT Jul 12, 2025
Forecast Valid:
10pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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