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.

Overcast

48°F

9°C

Humidity 81%
Wind Speed S 27 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 43°F (6°C)
Visibility 8.00 mi
Wind Chill40°F (4°C)
Last update 24 Dec 08:15 PM MST
Extended Forecast for

15 Miles SSE Grand Canyon, Valle Airport AZ

  • Tonight

    Tonight: Showers, mainly after 11pm.  Patchy fog after 5am. Low around 40. South wind around 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%.

    Low: 40 °F

    Showers and
    Patchy Fog

  • Christmas Day

    Christmas Day: Showers.  Patchy fog between 8am and 10am. High near 47. South wind 15 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%.

    High: 47 °F

    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of rain showers before 11pm, then a slight chance of rain and snow showers.  Partly cloudy, with a low around 33. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow showers.  Partly sunny, with a high near 47. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow showers after 11pm.  Mostly cloudy, with a low around 29. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Snow showers likely, mainly after 11am. Some thunder is also possible.  Mostly cloudy, with a high near 41. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 11pm.  Mostly cloudy, with a low around 22. Southwest wind 5 to 7 mph becoming east after midnight.

    Low: 22 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow showers after 11am.  Mostly sunny, with a high near 39. Northeast wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 39 °F

    Slight Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. East wind around 14 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers, mainly after 11pm. Patchy fog after 5am. Low around 40. South wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Christmas Day
Showers. Patchy fog between 8am and 10am. High near 47. South wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Thursday Night
A chance of rain showers before 11pm, then a slight chance of rain and snow showers. Partly cloudy, with a low around 33. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 47. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow showers after 11pm. Mostly cloudy, with a low around 29. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday
Snow showers likely, mainly after 11am. Some thunder is also possible. Mostly cloudy, with a high near 41. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 22. Southwest wind 5 to 7 mph becoming east after midnight.
Sunday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 39. Northeast wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 21. East wind around 14 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 41. East wind 11 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 23. East wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 48. East wind 8 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
A 10 percent chance of showers. Partly cloudy, with a low around 26. East wind around 7 mph.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 52. East wind around 7 mph becoming southwest in the afternoon. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Grand Canyon, Valle Airport AZ
 35.46°N 112.02°W (Elev. 7283 ft)
3:48 pm MST Dec 24, 2025
8pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
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