Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

78°F

26°C

Humidity 37%
Wind Speed ENE 11 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Heat Index79°F (26°C)
Last update 21 Jun 12:00 PM PDT
Extended Forecast for

14 Miles NE San Martin CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 54. West southwest wind 6 to 9 mph.

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86. Light and variable wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 57. West wind 3 to 8 mph.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Southwest wind 3 to 8 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tonight
Clear, with a low around 54. West southwest wind 6 to 9 mph.
Monday
Sunny, with a high near 86. Light and variable wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 57. West wind 3 to 8 mph.
Tuesday
Sunny, with a high near 89. Southwest wind 3 to 8 mph.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 85.
Thursday Night
Clear, with a low around 54.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NE San Martin CA
 37.21°N 121.41°W (Elev. 1732 ft)
11:31 am PDT Jun 21, 2026
12pm PDT Jun 21, 2026-6pm PDT Jun 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database