Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

Light Rain Fog/Mist

42°F

6°C

Humidity 94%
Wind Speed N 7 mph
Barometer 30.03 in (1017.2 mb)
Dewpoint 40°F (4°C)
Visibility 4.00 mi
Wind Chill38°F (3°C)
Last update 8 Dec 9:55 am EST
Extended Forecast for

South Sumter SC

  • Today

    Today: A chance of rain, mainly before 11am.  Patchy fog before 1pm.  Otherwise, cloudy, with a high near 45. North wind around 7 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. North wind around 6 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 46. Calm wind.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. Light south wind.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
A chance of rain, mainly before 11am. Patchy fog before 1pm. Otherwise, cloudy, with a high near 45. North wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. North wind around 6 mph.
Tuesday
Sunny, with a high near 46. Calm wind.
Tuesday Night
Mostly clear, with a low around 29. Light south wind.
Wednesday
Sunny, with a high near 58. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
South Sumter SC
 33.89°N 80.32°W (Elev. 131 ft)
5:52 am EST Dec 8, 2025
10am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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Additional Resources

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