National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Overcast

41°F

5°C

Humidity 86%
Wind Speed S 4 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 11 Apr 04:00 AM PDT
Extended Forecast for

10 Miles WNW Canby CA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly after 5am. Snow level 6200 feet. Mostly cloudy, with a low around 36. South wind around 6 mph.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: Rain and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then rain and possibly a thunderstorm after 5pm. Snow level 6000 feet rising to 6600 feet in the afternoon. High near 49. South southwest wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: Rain and snow before 3am, then a slight chance of snow between 3am and 4am. Snow level 6000 feet lowering to 4900 feet after midnight . Low around 31. East southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow showers before 2pm, then rain and snow showers. Some thunder is also possible. High near 45. Light south wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Snow Showers
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow likely before 11pm, then a chance of snow. Snow level 5200 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 31. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Monday

    Monday: Snow likely before 2pm, then a chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 47 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly after 5am. Snow level 6200 feet. Mostly cloudy, with a low around 36. South wind around 6 mph.
Saturday
Rain and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then rain and possibly a thunderstorm after 5pm. Snow level 6000 feet rising to 6600 feet in the afternoon. High near 49. South southwest wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain and snow before 3am, then a slight chance of snow between 3am and 4am. Snow level 6000 feet lowering to 4900 feet after midnight . Low around 31. East southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday
Snow showers before 2pm, then rain and snow showers. Some thunder is also possible. High near 45. Light south wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain and snow likely before 11pm, then a chance of snow. Snow level 5200 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 31. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
Snow likely before 2pm, then a chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Snow level 6100 feet. Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Thursday
A slight chance of snow. Mostly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WNW Canby CA
 41.51°N 121.04°W (Elev. 4898 ft)
Last Update:
2:06 am PDT Apr 11, 2026
Forecast Valid:
4am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation