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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fog/Mist

46°F

8°C

Humidity 96%
Wind Speed NW 13 mph
Barometer 29.77 in (1008.4 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Wind Chill40°F (4°C)
Last update 26 Dec 7:53 am CST
Extended Forecast for

3 Miles S Gibson IA

Dense Fog Advisory December 26, 08:28am until December 26, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 26, 08:28am until December 26, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Today

    High: 49 °F

    Dense Fog
    then Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 38. North wind around 5 mph becoming calm.

    Low: 38 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 44. Southeast wind around 5 mph becoming northwest after midnight.

    Low: 44 °F

    Cloudy

  • Sunday

    Sunday: A chance of rain before 3pm, then a chance of rain and snow. Cloudy, with a high near 45. Breezy. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 45 °F

    Chance Rain
    then Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11. Blustery.

    Low: 11 °F

    Mostly Cloudy
    and Blustery

  • Monday

    Monday: Mostly sunny, with a high near 23. Blustery.

    High: 23 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

Today
Widespread dense fog, mainly before 9am. Otherwise, cloudy, with a high near 49. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Cloudy, with a low around 38. North wind around 5 mph becoming calm.
Saturday
Mostly cloudy, with a high near 52. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Cloudy, with a low around 44. Southeast wind around 5 mph becoming northwest after midnight.
Sunday
A chance of rain before 3pm, then a chance of rain and snow. Cloudy, with a high near 45. Breezy. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 11. Blustery.
Monday
Mostly sunny, with a high near 23. Blustery.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 13.
New Year's Day
Sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Gibson IA
 41.44°N 92.41°W (Elev. 869 ft)
Last Update:
6:26 am CST Dec 26, 2025
Forecast Valid:
8am CST Dec 26, 2025-6pm CST Jan 1, 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