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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 >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Fair

93°F

34°C

Humidity 20%
Wind Speed SSW 9 MPH
Barometer 29.74 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 23 Jun 2:00 pm PDT
Extended Forecast for

Sonoma CA

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

    NOW until
    8:00pm Sat

    Heat Advisory

  • This
    Afternoon

    This Afternoon: Sunny and hot, with a high near 106. West wind around 16 mph, with gusts as high as 22 mph.

    Hot

    High: 106 °F

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind 5 to 15 mph becoming southeast in the evening. Winds could gust as high as 20 mph.

    Mostly Clear

    Low: 55 °F

  • Sunday

    Sunday: Sunny, with a high near 87. Southeast wind 5 to 10 mph becoming west 13 to 18 mph in the morning. Winds could gust as high as 24 mph.

    Sunny

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Increasing clouds, with a low around 52. West wind 9 to 18 mph, with gusts as high as 24 mph.

    Increasing
    Clouds

    Low: 52 °F

  • Monday

    Monday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 82. West southwest wind 13 to 17 mph, with gusts as high as 23 mph.

    Patchy Fog
    then Sunny

    High: 82 °F

  • Monday
    Night

    Monday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 50.

    Patchy Fog

    Low: 50 °F

  • Tuesday

    Tuesday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 85.

    Patchy Fog
    then Sunny

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 50.

    Patchy Fog

    Low: 50 °F

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 106. West wind around 16 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 55. West wind 5 to 15 mph becoming southeast in the evening. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 87. Southeast wind 5 to 10 mph becoming west 13 to 18 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Increasing clouds, with a low around 52. West wind 9 to 18 mph, with gusts as high as 24 mph.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82. West southwest wind 13 to 17 mph, with gusts as high as 23 mph.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50.
Wednesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82.
Wednesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 51.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 86.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 51.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
1:20 pm PDT Jun 23, 2018
2pm PDT Jun 23, 2018-6pm PDT Jun 29, 2018
 
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