National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

CASHMAN (CHAC1)

Lat: 40.00194°NLon: 120.915°WElev: 4478.0ft.

NA

36°F

2°C

Humidity 98%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 01 Jan 04:47 AM PST
Extended Forecast for

Greenville CA

Winter Storm Watch January 2, 04:00pm until January 4, 10:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Rain. Low around 33. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain

  • New Year's Day

    New Year's Day: Rain. High near 47. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly between 7pm and 3am. Mostly cloudy, with a low around 35. South wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain Likely

  • Friday

    Friday: A 40 percent chance of rain. Mostly cloudy, with a high near 51. South southeast wind 3 to 7 mph.

    High: 51 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain, mainly after 10pm. Low around 36. South wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Low: 36 °F

    Rain

  • Saturday

    Saturday: Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 46. Chance of precipitation is 100%.

    High: 46 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 10pm, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 35. Chance of precipitation is 100%.

    Low: 35 °F

    Heavy Rain

  • Sunday

    Sunday: Rain. Cloudy, with a high near 44.

    High: 44 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Cloudy, with a low around 32.

    Low: 32 °F

    Rain

Detailed Forecast

Overnight
Rain. Low around 33. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
New Year's Day
Rain. High near 47. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly between 7pm and 3am. Mostly cloudy, with a low around 35. South wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 51. South southeast wind 3 to 7 mph.
Friday Night
Rain, mainly after 10pm. Low around 36. South wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Saturday
Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 46. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm before 7pm, then rain between 7pm and 10pm, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 35. Chance of precipitation is 100%.
Sunday
Rain. Cloudy, with a high near 44.
Sunday Night
Rain. Cloudy, with a low around 32.
Monday
Rain. Cloudy, with a high near 42.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 27.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 46.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 22.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenville CA
 40.14°N 120.96°W (Elev. 3599 ft)
Last Update:
1:21 am PST Jan 1, 2026
Forecast Valid:
5am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation