Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fog/Mist

43°F

6°C

Humidity 100%
Wind Speed NW 7 mph
Barometer 29.71 in (1006.3 mb)
Dewpoint 43°F (6°C)
Visibility 2.50 mi
Wind Chill39°F (4°C)
Last update 26 Dec 5:52 am CST
Extended Forecast for

Iowa City Municipal Airport IA

Dense Fog Advisory December 26, 06:28am until December 26, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 26, 06:28am until December 26, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Today

    High: 46 °F

    Patchy
    Drizzle and
    Dense Fog
    then Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 37. North wind around 5 mph becoming calm.

    Low: 37 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 51. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain.  Cloudy, with a low around 45. Southeast wind 5 to 10 mph becoming northwest after midnight.

    Low: 45 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain before 3pm, then a chance of rain and snow.  Cloudy, with a high near 46. Breezy.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance Rain
    then Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 12. Blustery.

    Low: 12 °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 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Today
Patchy drizzle before 7am. Widespread dense fog, mainly before 9am. Otherwise, cloudy, with a steady temperature around 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Cloudy, with a low around 37. North wind around 5 mph becoming calm.
Saturday
Mostly cloudy, with a high near 51. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of rain. Cloudy, with a low around 45. Southeast wind 5 to 10 mph becoming northwest after midnight.
Sunday
A chance of rain before 3pm, then a chance of rain and snow. Cloudy, with a high near 46. Breezy. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 12. Blustery.
Monday
Mostly sunny, with a high near 23. Blustery.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 12.
New Year's Day
Mostly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
Iowa City Municipal Airport IA
 41.64°N 91.55°W (Elev. 735 ft)
6:11 am CST Dec 26, 2025
6am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database