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Excessive Heat and Critical Fire Weather in the Southwest; Severe Weather Threats Increase Sunday in the Plains

Strong high pressure is keeping temperatures hot across much of the west and south, with excessive Heat in the desert southwest. These conditions are also producing critical fire weather threats in the Four Corners area and interior northern California. Severe thunderstorms are possible in the Plains, Mid-South, and Mid-Atlantic this weekend; with very large hail threats in the Plains Sunday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33ft.

Fair

93°F

34°C

Humidity 28%
Wind Speed S 13 MPH
Barometer 29.71 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 23 Jun 4:00 pm PDT
Extended Forecast for

4 Miles WSW Lake Berryessa CA

Heat Advisory until June 23, 08:00pm
Red Flag Warning until June 24, 08:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
  •  
    Heat Advisory until June 23, 08:00pm
    Red Flag Warning until June 24, 08:00pm

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • This
    Afternoon

    This Afternoon: Sunny and hot, with a high near 99. North wind around 16 mph, with gusts as high as 24 mph.

    Hot

    High: 99 °F

  • Tonight

    Tonight: Clear, with a low around 66. North northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    Clear

    Low: 66 °F

  • Sunday

    Sunday: Sunny, with a high near 88. North wind 13 to 18 mph becoming southwest in the morning. Winds could gust as high as 29 mph.

    Sunny

    High: 88 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 54. West southwest wind 14 to 18 mph, with gusts as high as 29 mph.

    Clear

    Low: 54 °F

  • Monday

    Monday: Sunny, with a high near 84. Southwest wind around 15 mph, with gusts as high as 23 mph.

    Sunny

    High: 84 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 56.

    Clear

    Low: 56 °F

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 56.

    Clear

    Low: 56 °F

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 99. North wind around 16 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 66. North northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 88. North wind 13 to 18 mph becoming southwest in the morning. Winds could gust as high as 29 mph.
Sunday Night
Clear, with a low around 54. West southwest wind 14 to 18 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 84. Southwest wind around 15 mph, with gusts as high as 23 mph.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 84.
Thursday Night
Clear, with a low around 56.
Friday
Sunny, with a high near 84.
Friday Night
Clear, with a low around 56.
Saturday
Sunny, with a high near 83. Breezy.
Click Map For Forecast
Point Forecast:
4 Miles WSW Lake Berryessa CA
 38.56°N 122.3°W (Elev. 1604 ft)
1:20 pm PDT Jun 23, 2018
4pm PDT Jun 23, 2018-6pm PDT Jun 30, 2018
 
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