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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Plymouth (KC65)

Lat: 41.37°NLon: 86.3°WElev: 801ft.

Overcast

14°F

-10°C

Humidity 79%
Wind Speed W 6 mph
Barometer 30.29 in
Dewpoint 9°F (-13°C)
Visibility 7.00 mi
Wind Chill5°F (-15°C)
Last update 29 Jan 9:55 pm EST
Extended Forecast for

Koontz Lake IN

  • Tonight

    Tonight: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 4. West wind around 5 mph becoming calm in the evening.

    Low: 4 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: A 20 percent chance of snow showers before noon. Partly sunny and cold, with a high near 15. South wind 5 to 10 mph becoming north in the afternoon.

    High: 15 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 2. North wind around 5 mph becoming calm.

    Low: 2 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 20 percent chance of snow showers before noon. Mostly sunny and cold, with a high near 17. North wind around 5 mph.

    High: 17 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. North wind around 5 mph becoming calm.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 26.

    High: 26 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday Night

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

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 4. West wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of snow showers before noon. Partly sunny and cold, with a high near 15. South wind 5 to 10 mph becoming north in the afternoon.
Friday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 2. North wind around 5 mph becoming calm.
Saturday
A 20 percent chance of snow showers before noon. Mostly sunny and cold, with a high near 17. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 3. North wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 12.
Monday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 26.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 26.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Wednesday
A 40 percent chance of snow. Mostly cloudy, with a high near 25.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 13.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Koontz Lake IN
 41.41°N 86.48°W (Elev. 696 ft)
Last Update:
9:02 pm CST Jan 29, 2026
Forecast Valid:
9pm CST Jan 29, 2026-6pm CST Feb 5, 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