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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Fairfield / Travis Air Force Base (KSUU)

Lat: 38.26667°NLon: 121.95°WElev: 62.0ft.

Clear

65°F

18°C

Humidity 68%
Wind Speed SW 21 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Jul 11:55 PM PDT
Extended Forecast for

3 Miles SSW Vallejo CA

  • Overnight

    Overnight: Patchy smoke before 3am. Mostly clear, with a low around 57. Southwest wind 7 to 9 mph.

    Low: 57 °F

    Patchy Smoke

  • Saturday

    Saturday: Widespread haze before 8am. Sunny, with a high near 87. Southwest wind 5 to 9 mph.

    High: 87 °F

    Haze then
    Sunny

  • Saturday Night

    Saturday Night: Areas of smoke before 2am. Clear, with a low around 59. Southwest wind 6 to 9 mph.

    Low: 59 °F

    Areas Smoke

  • Sunday

    Sunday: Sunny, with a high near 88. West southwest wind 5 to 9 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 59. Southwest wind 7 to 9 mph.

    Low: 59 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy smoke before 3am. Mostly clear, with a low around 57. Southwest wind 7 to 9 mph.
Saturday
Widespread haze before 8am. Sunny, with a high near 87. Southwest wind 5 to 9 mph.
Saturday Night
Areas of smoke before 2am. Clear, with a low around 59. Southwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 88. West southwest wind 5 to 9 mph.
Sunday Night
Clear, with a low around 59. Southwest wind 7 to 9 mph.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Vallejo CA
 38.09°N 122.26°W (Elev. 75 ft)
Last Update:
11:31 pm PDT Jul 31, 2026
Forecast Valid:
12am PDT Aug 1, 2026-6pm PDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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