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

MIDDLE PEAK (MDEC1)

Lat: 37.92778°NLon: 122.58722°WElev: 2339.0ft.

NA

46°F

8°C

Humidity 100%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 11 Apr 01:36 AM PDT
Extended Forecast for

3 Miles WNW Mill Valley CA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly after 3am.  Mostly cloudy, with a steady temperature around 52. Southwest wind around 11 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall.  High near 52. Breezy, with a south wind 15 to 24 mph, with gusts as high as 39 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Chance Rain
    then Heavy
    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 11pm, then showers and possibly a thunderstorm, mainly after 11pm. Some of the storms could produce heavy rainfall.  Low around 47. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 37 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 47 °F

    Heavy Rain
    and Breezy

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 53. Breezy, with a west southwest wind 15 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Showers and
    Breezy then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 11pm.  Partly cloudy, with a low around 49. West wind 8 to 14 mph, with gusts as high as 24 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly after 3am. Mostly cloudy, with a steady temperature around 52. Southwest wind around 11 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 52. Breezy, with a south wind 15 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms before 11pm, then showers and possibly a thunderstorm, mainly after 11pm. Some of the storms could produce heavy rainfall. Low around 47. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers and possibly a thunderstorm. High near 53. Breezy, with a west southwest wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 49. West wind 8 to 14 mph, with gusts as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Sunny, with a high near 57.
Monday Night
Clear, with a low around 49.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Mill Valley CA
 37.92°N 122.59°W (Elev. 2224 ft)
1:26 am PDT Apr 11, 2026
1am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
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