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

LAS TRAMPAS (LTRC1)

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

NA

50°F

10°C

Humidity 99%
Wind Speed SW 22 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 11 Apr 04:28 PM PDT
Extended Forecast for

Danville CA

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 63. South wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Low around 45. South southwest wind 9 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 45 °F

    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  High near 59. Southwest wind 10 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 11pm.  Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 43. West southwest wind 5 to 10 mph becoming light south southwest  in the evening. Winds could gust as high as 21 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 64. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 63. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 45. South southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 59. Southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers before 11pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 43. West southwest wind 5 to 10 mph becoming light south southwest in the evening. Winds could gust as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Clear, with a low around 42.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 71.
Thursday Night
Clear, with a low around 44.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Danville CA
 37.84°N 122°W (Elev. 587 ft)
1:26 pm PDT Apr 11, 2026
4pm PDT Apr 11, 2026-6pm PDT Apr 18, 2026
 
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