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

45°F

7°C

Humidity 100%
Wind Speed SW 17 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 12 Apr 09:28 AM PDT
Extended Forecast for

4 Miles WSW Danville CA

  • Today

    Today: Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm.  High near 56. South southwest wind 13 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 10pm.  Mostly cloudy, with a low around 44. West southwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 44 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. Calm wind becoming west 5 to 9 mph in the morning.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Southwest wind 7 to 9 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm. High near 56. South southwest wind 13 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 44. West southwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 62. Calm wind becoming west 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 46. Southwest wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 61. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Danville CA
 37.78°N 122.07°W (Elev. 994 ft)
8:36 am PDT Apr 12, 2026
10am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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