National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

MIDDLE PEAK (MDEC1)

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

NA

77°F

25°C

Humidity 15%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Heat Index76°F (24°C)
Last update 21 Mar 12:36 AM PDT
Extended Forecast for

3 Miles WNW Mill Valley CA

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Northwest wind around 9 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Northwest wind 9 to 17 mph, with gusts as high as 29 mph.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. West wind 6 to 9 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. West northwest wind around 11 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Northwest wind around 9 mph.
Saturday
Mostly sunny, with a high near 70. Northwest wind 9 to 17 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 54. West northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.
Sunday
Sunny, with a high near 67. West wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 50. West northwest wind around 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Mill Valley CA
 37.92°N 122.59°W (Elev. 2224 ft)
Last Update:
12:41 am PDT Mar 21, 2026
Forecast Valid:
1am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation