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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

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fog/Mist

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in (1014.7 mb)
Dewpoint 37°F (3°C)
Visibility 4.00 mi
Last update 26 Dec 8:52 pm CST
Extended Forecast for

Iowa City IA

Dense Fog Advisory December 26, 09:24pm until December 27, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 26, 09:24pm until December 27, 12:00pm

    NOW until 12:00pm Sat

    Dense Fog Advisory

  • Tonight

    Low: 37 °F

    Dense Fog

  • Saturday

    Saturday: Widespread dense fog before noon. Otherwise, cloudy, with a high near 49. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Dense Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain before 7pm, then a slight chance of showers after 7pm. Mostly cloudy, with a low around 45. Southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain showers before noon, then rain likely between noon and 3pm, then rain and snow likely after 3pm. Mostly cloudy, with a high near 48. Breezy, with a southwest wind 5 to 10 mph becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Showers then
    Rain/Snow
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11. Blustery.

    Low: 11 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 20. Blustery.

    High: 20 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

Tonight
Widespread dense fog, mainly after midnight. Otherwise, cloudy, with a low around 37. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Widespread dense fog before noon. Otherwise, cloudy, with a high near 49. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of rain before 7pm, then a slight chance of showers after 7pm. Mostly cloudy, with a low around 45. Southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 20%.
Sunday
A chance of rain showers before noon, then rain likely between noon and 3pm, then rain and snow likely after 3pm. Mostly cloudy, with a high near 48. Breezy, with a southwest wind 5 to 10 mph becoming northwest 15 to 20 mph in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11. Blustery.
Monday
Partly sunny, with a high near 20. Blustery.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 7.
New Year's Day
Sunny, with a high near 17.
Thursday Night
Mostly clear, with a low around 4.
Friday
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Iowa City IA
 41.67°N 91.52°W (Elev. 692 ft)
Last Update:
8:51 pm CST Dec 26, 2025
Forecast Valid:
9pm CST Dec 26, 2025-6pm CST Jan 2, 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