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.

Mostly Cloudy

34°F

1°C

Humidity	74%
Wind Speed	N 0 MPH
Barometer	29.71 in (1006.1 mb)
Dewpoint	26°F (-3°C)
Visibility	10.00 mi
Last update	12 Apr 07:05 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

10 Miles WNW Canby CA

Today
High: 46 °F
Chance Snow
then
Rain/Snow
Likely
Tonight
Low: 31 °F
Chance
Rain/Snow
then Chance
Snow
Monday
High: 48 °F
Chance
Rain/Snow
Monday Night
Low: 31 °F
Mostly Cloudy
Tuesday
High: 54 °F
Mostly Sunny
Tuesday Night
Low: 36 °F
Slight Chance
Rain
Wednesday
High: 47 °F
Rain
Wednesday Night
Low: 22 °F
Rain/Snow
then Chance
Snow
Thursday
High: 46 °F
Slight Chance
Snow then
Sunny

Detailed Forecast

Today

A chance of snow showers between 8am and noon, then rain and snow showers likely. Some thunder is also possible. Partly sunny, with a high near 46. West southwest wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tonight

A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 31. West southwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday

A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level rising to 5800 feet in the afternoon. Mostly cloudy, with a high near 48. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday Night

Mostly cloudy, with a low around 31. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

Tuesday

Mostly sunny, with a high near 54. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.

Tuesday Night

A 20 percent chance of rain after 11pm. Snow level 6600 feet. Mostly cloudy, with a low around 36.

Wednesday

Rain, mainly after 11am. Snow level 6300 feet. High near 47. Chance of precipitation is 80%.

Wednesday Night

Rain before 8pm, then rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Mostly cloudy, with a low around 22.

Thursday

A slight chance of snow before 11am. Sunny, with a high near 46.