Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Heat Advisory until March 20, 08:00 PM PDT

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

81°F

27°C

Humidity	54%
Wind Speed	W 3 MPH
Barometer	29.97 in (1014.9 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	20 Mar 12:30 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

7 Miles SSE Lake Berryessa CA

Heat Advisory March 20, 12:47pm until March 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory March 20, 12:47pm until March 20, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
This Afternoon
High: 90 °F
Sunny
Tonight
Low: 57 °F
Mostly Clear
Saturday
High: 82 °F
Mostly Sunny
Saturday Night
Low: 55 °F
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 50 °F
Mostly Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 54 °F
Mostly Clear