Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

59°F

15°C

Humidity 21%
Wind Speed N 17 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 18 May 04:00 AM PDT
Extended Forecast for

14 Miles SW Keyes CA

Red Flag Warning May 18, 04:35am until May 18, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning May 18, 04:35am until May 18, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • Today

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. West northwest wind 5 to 9 mph becoming light northwest  after midnight.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. North northwest wind 3 to 7 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58. North northwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 85. North northwest wind 7 to 17 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 56. West northwest wind 5 to 9 mph becoming light northwest after midnight.
Tuesday
Sunny, with a high near 89. North northwest wind 3 to 7 mph.
Tuesday Night
Clear, with a low around 58. North northwest wind 5 to 8 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 93. Calm wind becoming north northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 55.
Sunday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Keyes CA
 37.44°N 121.09°W (Elev. 105 ft)
2:01 am PDT May 18, 2026
4am PDT May 18, 2026-6pm PDT May 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database