Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. 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

55°F

13°C

Humidity	87%
Wind Speed	N 0 MPH
Barometer	30.02 in (1016.59 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	20 Mar 03:35 AM PDT

More Information:

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

Extended Forecast for

3 Miles SW Napa CA

Heat Advisory March 20, 03:54am until March 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory March 20, 03:54am until March 20, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Overnight
Low: 58 °F
Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 55 °F
Increasing
Clouds
Saturday
High: 82 °F
Mostly Sunny
Saturday Night
Low: 50 °F
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 47 °F
Mostly Clear
then Patchy
Fog
Monday
High: 80 °F
Patchy Fog
then Sunny