Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Williams/Clark Memorial Airport (KCMR)

Lat: 35.3054722°NLon: 112.1943889°WElev: 6680.0ft.

Mostly Cloudy

46°F

8°C

Humidity 87%
Wind Speed SSW 13 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 43°F (6°C)
Visibility 9.00 mi
Wind Chill40°F (4°C)
Last update 25 Dec 09:15 AM MST
Extended Forecast for

3 Miles NNW Williams AZ

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm before 2pm, then showers likely.  High near 50. South wind 17 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%.

    High: 50 °F

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 11pm.  Partly cloudy, with a low around 37. South wind 14 to 16 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 11am.  Partly sunny, with a high near 49. South wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 49 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Rain likely, possibly mixed with snow showers, mainly after 5am.  Mostly cloudy, with a low around 32. South wind around 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain and snow showers likely, becoming all snow after 9am.  Mostly cloudy, with a high near 44. South wind 11 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 11pm.  Partly cloudy, with a low around 22. West wind around 9 mph becoming north after midnight. Winds could gust as high as 15 mph.

    Low: 22 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 43. North wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 43 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. Northeast wind around 14 mph, with gusts as high as 22 mph.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. Northeast wind around 14 mph, with gusts as high as 23 mph.

    High: 47 °F

    Sunny

Detailed Forecast

Christmas Day
Showers and possibly a thunderstorm before 2pm, then showers likely. High near 50. South wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Tonight
A 30 percent chance of showers, mainly before 11pm. Partly cloudy, with a low around 37. South wind 14 to 16 mph, with gusts as high as 25 mph.
Friday
A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 49. South wind 15 to 18 mph, with gusts as high as 30 mph.
Friday Night
Rain likely, possibly mixed with snow showers, mainly after 5am. Mostly cloudy, with a low around 32. South wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
Rain and snow showers likely, becoming all snow after 9am. Mostly cloudy, with a high near 44. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 22. West wind around 9 mph becoming north after midnight. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 43. North wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 21. Northeast wind around 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 47. Northeast wind around 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 22. East wind around 13 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 53. East wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
A 10 percent chance of showers. Partly cloudy, with a low around 28. East wind around 10 mph, with gusts as high as 17 mph.
Wednesday
A slight chance of rain and snow showers. Partly sunny, with a high near 56. East wind 8 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Williams AZ
 35.3°N 112.19°W (Elev. 6696 ft)
3:09 am MST Dec 25, 2025
9am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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