Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >
Hazardous Weather Conditions
Current conditions at
BLACK DIAMOND (PIBC1)
Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.NA
50°F
10°C
| Humidity | 44% |
| Wind Speed | NNW 8 MPH |
| Barometer | NA |
| Dewpoint | 29°F (-2°C) |
| Visibility | NA |
| Wind Chill | 47°F (8°C) |
| Last update | 29 Dec 08:28 PM PST |
Extended Forecast for
2 Miles ESE Antioch CA
Cold Weather Advisory December 30, 01:00am until December 30, 09:00am
Tonight
Low: 37 °F
Partly Cloudy
Tuesday
High: 48 °F
Mostly Cloudy
Tuesday Night
Low: 44 °F
Patchy Fog
then Slight
Chance RainWednesday
High: 48 °F
Chance Rain
then RainWednesday Night
Low: 47 °F
Rain
New Year's Day
High: 54 °F
Rain
Thursday Night
Low: 53 °F
Rain
Friday
High: 56 °F
Rain Likely
Friday Night
Low: 49 °F
Rain
Detailed Forecast
Tonight
Partly cloudy, with a low around 37. Light and variable wind.
Tuesday
Mostly cloudy, with a high near 48. East northeast wind 5 to 7 mph.
Tuesday Night
A 10 percent chance of rain after 4am. Patchy fog before 10pm. Otherwise, cloudy, with a low around 44. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Rain, mainly after 4pm. High near 48. Light and variable wind becoming east northeast around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 47. East southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain. High near 54. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 53. Chance of precipitation is 80%.
Friday
Rain likely. Cloudy, with a high near 56.
Friday Night
Rain. Cloudy, with a low around 49.
Saturday
Rain likely. Mostly cloudy, with a high near 53.
Saturday Night
Rain likely. Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Partly sunny, with a high near 53.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 47.
Monday
A chance of rain. Mostly cloudy, with a high near 52.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ESE Antioch CA
37.99°N 121.77°W (Elev. 200 ft)
37.99°N 121.77°W (Elev. 200 ft)
12:27 pm PST Dec 29, 2025
9pm PST Dec 29, 2025-6pm PST Jan 5, 2026
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