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. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday 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

81°F

27°C

Humidity	57%
Wind Speed	SW 6 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	19 Mar 02:00 PM PDT

More Information:

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

Extended Forecast for

5 Miles SSE Sonoma CA

Heat Advisory March 19, 02:25pm until March 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory March 19, 02:25pm until March 20, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
This Afternoon
High: 90 °F
Sunny
Tonight
Low: 51 °F
Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 52 °F
Increasing
Clouds
Saturday
High: 82 °F
Mostly Sunny
Saturday Night
Low: 49 °F
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 47 °F
Mostly Clear