Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Hazardous Weather Conditions

Heat Advisory until March 20, 08:00 PM PDT

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

69°F

21°C

Humidity	32%
Wind Speed	NW 14 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	16 Mar 07:40 PM PDT

More Information:

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

Extended Forecast for

4 Miles S Clayton CA

Heat Advisory March 17, 12:22am until March 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory March 17, 12:22am until March 20, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Overnight
Low: 68 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 69 °F
Clear
Wednesday
High: 86 °F
Sunny
Wednesday Night
Low: 70 °F
Clear
Thursday
High: 88 °F
Sunny
Thursday Night
Low: 72 °F
Clear
Friday
High: 89 °F
Sunny