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

Dover Air Force Base (KDOV)

Lat: 39.13°NLon: 75.47°WElev: 30ft.

Mostly Cloudy

35°F

2°C

Humidity 49%
Wind Speed NW 9 mph
Barometer 29.73 in (1007.1 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 11 Dec 7:55 am EST
Extended Forecast for

Rising Sun-Lebanon DE

  • Today

    Today: Mostly sunny, with a high near 38. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 38 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 24. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 39. West wind 5 to 10 mph.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow before 1am.  Partly cloudy, with a low around 25. Calm wind.  Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 44. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, possibly mixed with rain, becoming all snow after 4am.  Cloudy, with a low around 26. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 26 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow likely before 1pm.  Partly sunny, with a high near 33. Chance of precipitation is 60%.

    High: 33 °F

    Snow Likely

  • Sunday Night

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

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 38. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph.
Tonight
Increasing clouds, with a low around 24. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 39. West wind 5 to 10 mph.
Friday Night
A slight chance of snow before 1am. Partly cloudy, with a low around 25. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 44. Light southwest wind becoming west 5 to 10 mph in the morning.
Saturday Night
Snow likely, possibly mixed with rain, becoming all snow after 4am. Cloudy, with a low around 26. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Snow likely before 1pm. Partly sunny, with a high near 33. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 17.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Rising Sun-Lebanon DE
 39.1°N 75.49°W (Elev. 3 ft)
6:33 am EST Dec 11, 2025
8am EST Dec 11, 2025-6pm EST Dec 17, 2025
 
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Additional Resources

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