Prolonged Extreme Cold; Eastern U.S. Winter Storm
Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >
Current conditions at
BLACK DIAMOND (PIBC1)
Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.NA
49°F
9°C
| Humidity | 92% |
| Wind Speed | NNW 2 MPH |
| Barometer | NA |
| Dewpoint | 47°F (8°C) |
| Visibility | NA |
| Last update | 28 Jan 09:28 PM PST |
Extended Forecast for
4 Miles ENE Clayton CA
Tonight
Low: 43 °F
Mostly Clear
Thursday
High: 57 °F
Sunny
Thursday Night
Low: 43 °F
Partly Cloudy
Friday
High: 57 °F
Partly Sunny
Friday Night
Low: 44 °F
Mostly Cloudy
Saturday
High: 59 °F
Partly Sunny
Saturday Night
Low: 45 °F
Mostly Cloudy
Sunday
High: 59 °F
Mostly Cloudy
Sunday Night
Low: 45 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 43. East northeast wind around 6 mph.
Thursday
Sunny, with a high near 57. East northeast wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 43. East wind 3 to 5 mph.
Friday
Partly sunny, with a high near 57. Northeast wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 44. East wind around 6 mph.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Mostly cloudy, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 60.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles ENE Clayton CA
37.95°N 121.88°W (Elev. 1358 ft)
37.95°N 121.88°W (Elev. 1358 ft)
7:43 pm PST Jan 28, 2026
9pm PST Jan 28, 2026-6pm PST Feb 4, 2026
Additional Resources
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