Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Alturas (KAAT)

Lat: 41.48362°NLon: 120.5615°WElev: 4383.0ft.

Clear

36°F

2°C

Humidity 69%
Wind Speed S 8 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 12 Apr 04:00 AM PDT
Extended Forecast for

5 Miles WNW Cedarville CA

  • Overnight

    Overnight: A 10 percent chance of snow after 5am.  Mostly cloudy, with a low around 31. South southwest wind around 11 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible.  High near 40. Southwest wind 9 to 13 mph, with gusts as high as 37 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    then Snow
    Showers

  • Sunday Night

    Sunday Night: Snow likely, mainly after 4am. The snow could be heavy at times.  Mostly cloudy, with a low around 31. West southwest wind 13 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 31 °F

    Heavy Snow

  • Monday

    Monday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 41. West northwest wind around 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 41 °F

    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 31. West wind 6 to 11 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after 11pm.  Snow level 6700 feet. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, mainly after 11am.  Snow level 6500 feet. Mostly cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 8pm.  Mostly cloudy, with a low around 22. Breezy.

    Low: 22 °F

    Rain/Snow and
    Breezy then
    Chance Snow

Detailed Forecast

Overnight
A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 31. South southwest wind around 11 mph, with gusts as high as 25 mph.
Sunday
A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible. High near 40. Southwest wind 9 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly after 4am. The snow could be heavy at times. Mostly cloudy, with a low around 31. West southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 41. West northwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 31. West wind 6 to 11 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
A slight chance of rain and snow after 11pm. Snow level 6700 feet. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Wednesday
Rain, possibly mixed with snow, mainly after 11am. Snow level 6500 feet. Mostly cloudy, with a high near 41.
Wednesday Night
Rain and snow, becoming all snow after 8pm. Mostly cloudy, with a low around 22. Breezy.
Thursday
A chance of snow, mainly before 11am. Mostly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 31.
Saturday
Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Cedarville CA
 41.56°N 120.25°W (Elev. 6352 ft)
3:42 am PDT Apr 12, 2026
4am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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