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 >

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

12°F

-11°C

Humidity 79%
Wind Speed W 13 mph
Barometer 30.28 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 30 Dec 1:55 am CST
Extended Forecast for

3 Miles ESE Strawn IL

  • Overnight

    Overnight: Partly cloudy, with a low around 11. Wind chill values as low as -3. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 25. Wind chill values as low as -3. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 25 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. West northwest wind around 15 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Cloudy, with a high near 34. West wind around 15 mph, with gusts as high as 25 mph.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11. North wind 10 to 15 mph.

    Low: 11 °F

    Chance Snow
    then Partly
    Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly 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 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 11. Wind chill values as low as -3. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 25. Wind chill values as low as -3. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 25. West northwest wind around 15 mph.
Wednesday
A 20 percent chance of snow after noon. Cloudy, with a high near 34. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11. North wind 10 to 15 mph.
New Year's Day
Mostly sunny, with a high near 25.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Strawn IL
 40.63°N 88.34°W
Last Update:
1:31 am CST Dec 30, 2025
Forecast Valid:
2am CST Dec 30, 2025-6pm CST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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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