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

Van Wert County Airport (KVNW)

Lat: 40.86°NLon: 84.61°WElev: 787ft.

23°F

-5°C

Humidity 80%
Wind Speed NA
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 30 Dec 12:55 am EST
Extended Forecast for

Decatur IN

  • Overnight

    Overnight: A chance of flurries. Mostly cloudy, with a low around 18. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Chance
    Flurries

  • Tuesday

    Tuesday: A chance of flurries before 8am. Mostly cloudy, with a high near 24. West wind around 15 mph, with gusts as high as 25 mph.

    High: 24 °F

    Chance
    Flurries

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow after 1pm. Mostly cloudy, with a high near 31. West wind around 15 mph, with gusts as high as 25 mph.

    High: 31 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before 1am. Mostly cloudy, with a low around 13. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Chance Snow

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly 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 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of flurries. Mostly cloudy, with a low around 18. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday
A chance of flurries before 8am. Mostly cloudy, with a high near 24. West wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A 50 percent chance of snow after 1pm. Mostly cloudy, with a high near 31. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 50 percent chance of snow before 1am. Mostly cloudy, with a low around 13. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
New Year's Day
Partly sunny, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Mostly cloudy, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur IN
 40.83°N 84.93°W (Elev. 778 ft)
Last Update:
3:16 am EST Dec 30, 2025
Forecast Valid:
3am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
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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