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

Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Partly Cloudy

38°F

3°C

Humidity 36%
Wind Speed W 20 G 26 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 11 Dec 12:51 pm EST
Extended Forecast for

Montchanin DE

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 35. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 35 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 24. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 36. West wind 5 to 10 mph.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 1am. Partly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.

    Low: 24 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph.

    High: 40 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Cloudy, with a low around 24. Chance of precipitation is 70%.

    Low: 24 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: A chance of snow before 1pm. Partly sunny, with a high near 30. Chance of precipitation is 40%.

    High: 30 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 35. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.
Tonight
Mostly clear, with a low around 24. West wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 36. West wind 5 to 10 mph.
Friday Night
A slight chance of snow after 1am. Partly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph.
Saturday Night
Snow likely, mainly after 1am. Cloudy, with a low around 24. Chance of precipitation is 70%.
Sunday
A chance of snow before 1pm. Partly sunny, with a high near 30. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 17.
Monday
Mostly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montchanin DE
 39.8°N 75.56°W (Elev. 299 ft)
Last Update:
9:05 am EST Dec 11, 2025
Forecast Valid:
1pm EST Dec 11, 2025-6pm EST Dec 17, 2025
 
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Chance of Precipitation