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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fair

13°F

-11°C

Humidity 81%
Wind Speed W 7 mph
Barometer 30.35 in (1029.2 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 30 Dec 2:52 am CST
Extended Forecast for

West Branch IASimilar City Names

  • Overnight

    Overnight: Mostly clear, with a low around 9. Wind chill values as low as zero. Northwest wind 5 to 10 mph.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 30. Wind chill values as low as zero. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 34. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 9. Wind chill values as low as zero. Northwest wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 30. Wind chill values as low as zero. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 34. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 10.
New Year's Day
Sunny, with a high near 24.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Branch IASimilar City Names
 41.66°N 91.35°W (Elev. 797 ft)
Last Update:
3:11 am CST Dec 30, 2025
Forecast Valid:
3am CST Dec 30, 2025-6pm CST Jan 5, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation