Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for portions of the central and southern High Plains. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

56°F

13°C

Humidity	91%
Wind Speed	W 17 MPH
Barometer	NA
Dewpoint	53°F (12°C)
Visibility	NA
Last update	21 Apr 01:28 PM PDT

More Information:

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

Extended Forecast for

2 Miles WSW San Ramon CA

This Afternoon
High: 59 °F
Showers
Tonight
Low: 46 °F
Chance
Showers
Wednesday
High: 62 °F
Chance
Showers
Wednesday Night
Low: 44 °F
Mostly Clear
then Patchy
Fog
Thursday
High: 68 °F
Patchy Fog
then Sunny
Thursday Night
Low: 46 °F
Partly Cloudy
Friday
High: 68 °F
Partly Sunny
Friday Night
Low: 49 °F
Partly Cloudy
Saturday
High: 64 °F
Partly Sunny

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 59. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. West southwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers before 10am, then a chance of showers after 11am. Partly sunny, with a high near 62. Light and variable wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Patchy fog after 5am. Otherwise, mostly clear, with a low around 44. West wind 5 to 7 mph becoming calm in the evening.

Thursday

Patchy fog before 7am. Otherwise, sunny, with a high near 68. Calm wind becoming west northwest around 6 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 46.

Friday

Partly sunny, with a high near 68.

Friday Night

Partly cloudy, with a low around 49.

Saturday

Partly sunny, with a high near 64.