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

HIGH GLADE LOOKOUT (HGLC1)

Lat: 39.2089°NLon: 122.80999°WElev: 4807.0ft.

NA

44°F

7°C

Humidity 100%
Wind Speed SE 57 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 24 Dec 02:36 AM PST
Extended Forecast for

13 Miles NNE Lakeport CA

Flood Watch December 24, 03:14am until December 26, 10:00pm
High Wind Watch December 25, 12:00am until December 25, 07:00pm
High Wind Warning December 24, 03:14am until December 24, 06:00am
Click here for hazard details and duration
Flood Watch
High Wind Watch
High Wind Warning
  •  
    Flood Watch December 24, 03:14am until December 26, 10:00pm
    High Wind Warning December 24, 03:14am until December 24, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 38 °F

    Rain and Very
    Windy

  • Wednesday

    Wednesday: Rain, mainly before 10am.  Steady temperature around 42. Southwest wind 13 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before 1am, then rain between 1am and 4am, then rain and possibly a thunderstorm after 4am.  Low around 36. Very windy, with a south southeast wind 22 to 27 mph increasing to 32 to 37 mph after midnight. Winds could gust as high as 65 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 36 °F

    Rain and Very
    Windy

  • Christmas Day

    Christmas Day: Rain and snow before 10am, then rain between 10am and 4pm, then rain and snow after 4pm. Some thunder is also possible.  High near 40. Very windy, with a south wind 33 to 38 mph decreasing to 24 to 29 mph in the afternoon. Winds could gust as high as 85 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow and
    Very Windy

  • Thursday Night

    Thursday Night: Rain and snow, becoming all rain after 10pm.  Low around 38. Windy, with a south wind 26 to 29 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 38 °F

    Windy.
    Rain/Snow
    then Rain

  • Friday

    Friday: Rain before 4pm, then rain and snow showers likely. Some thunder is also possible.  High near 42. Windy, with a south wind 25 to 30 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 55 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Windy. Rain
    then
    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow showers likely before 10pm, then a chance of snow showers between 10pm and 1am, then a chance of rain and snow showers after 1am. Some thunder is also possible.  Mostly cloudy, with a low around 38. Breezy.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow
    Likely and
    Breezy

  • Saturday

    Saturday: A slight chance of snow showers before 10am.  Mostly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Snow Showers
    then Sunny

Detailed Forecast

Overnight
Rain and possibly a thunderstorm. Low around 38. Very windy, with a south southeast wind around 36 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain, mainly before 10am. Steady temperature around 42. Southwest wind 13 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain and possibly a thunderstorm before 1am, then rain between 1am and 4am, then rain and possibly a thunderstorm after 4am. Low around 36. Very windy, with a south southeast wind 22 to 27 mph increasing to 32 to 37 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Christmas Day
Rain and snow before 10am, then rain between 10am and 4pm, then rain and snow after 4pm. Some thunder is also possible. High near 40. Very windy, with a south wind 33 to 38 mph decreasing to 24 to 29 mph in the afternoon. Winds could gust as high as 85 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday Night
Rain and snow, becoming all rain after 10pm. Low around 38. Windy, with a south wind 26 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain before 4pm, then rain and snow showers likely. Some thunder is also possible. High near 42. Windy, with a south wind 25 to 30 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain and snow showers likely before 10pm, then a chance of snow showers between 10pm and 1am, then a chance of rain and snow showers after 1am. Some thunder is also possible. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A slight chance of snow showers before 10am. Mostly sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Lakeport CA
 39.2°N 122.82°W (Elev. 4409 ft)
1:10 am PST Dec 24, 2025
3am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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