
Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley
A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >
Hazardous Weather Conditions
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
48°F
9°C
| Humidity | 24% |
| Wind Speed | NE 5 MPH |
| Barometer | NA |
| Dewpoint | 13°F (-11°C) |
| Visibility | NA |
| Wind Chill | 46°F (8°C) |
| Last update | 29 Dec 04:20 AM PST |
4 Miles SSE Clayton CA
NOW until 9:00am Mon

Cold Weather Advisory
Overnight

Low: 40 °F
Mostly Clear
Monday

High: 52 °F
Sunny
Monday Night

Low: 42 °F
Mostly Clear
Tuesday

High: 48 °F
Mostly Sunny
Tuesday Night

Low: 42 °F
Mostly Cloudy
Wednesday

High: 47 °F
Chance Rain
Wednesday Night

Low: 44 °F
Rain Likely
New Year's Day

High: 51 °F
Rain Likely
Detailed Forecast
Additional Forecasts and Information
ABOUT THIS FORECAST
37.87°N 121.92°W (Elev. 2818 ft)



