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

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Partly Cloudy

50°F

10°C

Humidity	87%
Wind Speed	WNW 6 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	19 Mar 05:00 AM PDT

More Information:

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

Extended Forecast for

Hillsborough CA

Heat Advisory March 19, 05:21am until March 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory March 19, 05:21am until March 20, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Today
High: 89 °F
Sunny
Tonight
Low: 58 °F
Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 56 °F
Increasing
Clouds
Saturday
High: 76 °F
Mostly Sunny
Saturday Night
Low: 51 °F
Mostly Clear
Sunday
High: 73 °F
Sunny
Sunday Night
Low: 50 °F
Mostly Clear