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 >

Hazardous Weather Conditions

Winter Weather Advisory in effect from April 11, 08:00 PM PDT until April 12, 11:00 AM PDT

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Clear

41°F

5°C

Humidity	80%
Wind Speed	W 3 MPH
Barometer	29.63 in (1003.39 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Last update	12 Apr 12:20 AM PDT

More Information:

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

Extended Forecast for

15 Miles ESE Happy Camp CA

Winter Weather Advisory until April 12, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until April 12, 11:00am
NOW until 11:00am Sun
Winter Weather Advisory
Overnight
Low: 31 °F
Chance Snow
Sunday
High: 40 °F
Chance Snow
then Snow
Showers
Sunday Night
Low: 33 °F
Chance Snow
then Mostly
Cloudy
Monday
High: 41 °F
Slight Chance
Snow
Monday Night
Low: 35 °F
Mostly Cloudy
Tuesday
High: 47 °F
Partly Sunny
Tuesday Night
Low: 36 °F
Chance Snow
Wednesday
High: 37 °F
Snow then
Rain/Snow

Detailed Forecast

Overnight

A 30 percent chance of snow, mainly before 3am. Mostly cloudy, with a low around 31. South southeast wind 5 to 7 mph. Total nighttime snow accumulation of less than a half inch possible.

Sunday

A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible. High near 40. South wind around 6 mph becoming light and variable. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Sunday Night

A 30 percent chance of snow before 9pm. Mostly cloudy, with a low around 33. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph. Little or no snow accumulation expected.

Monday

A 20 percent chance of snow. Partly sunny, with a high near 41. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

Monday Night

Mostly cloudy, with a low around 35. West northwest wind 5 to 8 mph, with gusts as high as 20 mph.

Tuesday

Partly sunny, with a high near 47.

Tuesday Night

A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 36. New snow accumulation of less than a half inch possible.

Wednesday

Snow before 5pm, then snow, possibly mixed with rain. Mostly cloudy, with a high near 37.

Wednesday Night

A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 26.

Thursday

Sunny, with a high near 41.