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.

Mostly Cloudy

37°F

3°C

Humidity	93%
Wind Speed	E 3 MPH
Barometer	29.75 in (1007.45 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Last update	11 Apr 05:55 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 April 11, 08:00pm until April 12, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 39 °F
Rain/Snow
Tonight
Low: 32 °F
Snow then
Chance Snow
Sunday
High: 40 °F
Snow Showers
Sunday Night
Low: 35 °F
Chance Snow
then Mostly
Cloudy
Monday
High: 40 °F
Chance Snow
Monday Night
Low: 34 °F
Mostly Cloudy
Tuesday
High: 47 °F
Partly Sunny
Tuesday Night
Low: 35 °F
Slight Chance
Snow
Wednesday
High: 39 °F
Rain/Snow
Likely

Detailed Forecast

Today

Rain and snow, becoming all snow after 4pm. Some thunder is also possible. Snow level 5900 feet. High near 39. South wind around 5 mph becoming light and variable. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow, mainly before 9pm. Low around 32. South southeast wind 3 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Sunday

Snow likely before 11am, then snow showers after 11am. Some thunder is also possible. High near 40. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Sunday Night

A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 35. West wind 6 to 8 mph. New snow accumulation of less than a half inch possible.

Monday

A 30 percent chance of snow. Partly sunny, with a high near 40. West wind around 7 mph. Little or no snow accumulation expected.

Monday Night

Mostly cloudy, with a low around 34.

Tuesday

Partly sunny, with a high near 47.

Tuesday Night

A slight chance of snow after 11pm. Mostly cloudy, with a low around 35.

Wednesday

Rain and snow likely, mainly after 11am. Mostly cloudy, with a high near 39.

Wednesday Night

A chance of rain and snow before 11pm. Mostly cloudy, with a low around 29.