Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Fair

49°F

9°C

Humidity 97%
Wind Speed S 5 mph
Barometer 30.19 in (1021.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 24 Dec 4:53 am EST
Extended Forecast for

Lyman SC

  • Today

    Today: Sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 75. Calm wind becoming west southwest 5 to 8 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Light west wind.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain between 9am and noon.  Mostly cloudy, with a high near 62. East wind 5 to 7 mph.  Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 74. Light and variable wind.
Tonight
Mostly cloudy, with a low around 51. Calm wind.
Christmas Day
Mostly sunny, with a high near 75. Calm wind becoming west southwest 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 51. Light west wind.
Friday
A slight chance of rain between 9am and noon. Mostly cloudy, with a high near 62. East wind 5 to 7 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly cloudy, with a high near 71.
Sunday Night
A chance of rain before midnight, then a chance of showers between midnight and 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Lyman SC
 34.95°N 82.11°W (Elev. 833 ft)
12:17 am EST Dec 24, 2025
5am EST Dec 24, 2025-6pm EST Dec 30, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database