
Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.
Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >
Hazardous Weather Conditions
Current conditions at
BLACK DIAMOND (PIBC1)
Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.NA
44°F
7°C
| Humidity | 57% |
| Wind Speed | SSW 14 MPH |
| Barometer | NA |
| Dewpoint | 30°F (-1°C) |
| Visibility | NA |
| Wind Chill | 37°F (3°C) |
| Last update | 19 Feb 05:28 PM PST |
Extended Forecast for
4 Miles ENE Clayton CA
Extreme Cold Warning February 20, 01:00am until February 20, 09:00am
Tonight

Low: 33 °F
Clear then
FrostFriday

High: 46 °F
Frost then
Partly SunnyFriday Night

Low: 36 °F
Patchy Frost
Saturday

High: 53 °F
Partly Sunny
Saturday Night

Low: 44 °F
Slight Chance
RainSunday

High: 61 °F
Chance Rain
Sunday Night

Low: 49 °F
Chance Rain
Monday

High: 61 °F
Chance Rain
Monday Night

Low: 53 °F
Rain
Detailed Forecast
Tonight
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33. West southwest wind 8 to 16 mph, with gusts as high as 28 mph.
Friday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 46. Southeast wind around 6 mph becoming northeast in the afternoon.
Friday Night
Patchy frost after 11pm. Otherwise, partly cloudy, with a low around 36. Southeast wind around 8 mph.
Saturday
Partly sunny, with a high near 53. South southeast wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday Night
A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 44. South southeast wind around 15 mph, with gusts as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 61. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 49.
Monday
A chance of rain. Mostly cloudy, with a high near 61.
Monday Night
Rain. Mostly cloudy, with a low around 53.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain. Cloudy, with a low around 51.
Wednesday
Rain likely. Mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
A chance of rain. Mostly sunny, with a high near 60.
Additional Forecasts and Information
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ABOUT 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)
12:26 pm PST Feb 19, 2026
6pm PST Feb 19, 2026-6pm PST Feb 26, 2026



