Tropical Storm Isaias in the Gulf; California Heat Continues

Tropical Storm Isaias is forecast to track toward the central U.S. Gulf Coast while strengthening into a hurricane on Thursday. Residents from Louisiana to the Florida Panhandle should closely monitor the latest updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday. Read More >

Current conditions at

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

NA

42°F

6°C

Humidity	74%
Wind Speed	W 4 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	07 Oct 05:04 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

8 Miles E Chalfant CA

Today
High: 49 °F
Sunny
Tonight
Low: 38 °F
Mostly Clear
Thursday
High: 49 °F
Sunny
Thursday Night
Low: 38 °F
Mostly Clear
Friday
High: 48 °F
Sunny
Friday Night
Low: 35 °F
Partly Cloudy
Saturday
High: 43 °F
Sunny then
Sunny and
Breezy
Saturday Night
Low: 28 °F
Mostly Clear
Sunday
High: 35 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 49. East wind around 10 mph becoming southwest in the afternoon.

Tonight

Mostly clear, with a low around 38. Southwest wind 5 to 10 mph becoming northeast in the evening.

Thursday

Sunny, with a high near 49. South wind around 10 mph.

Thursday Night

Mostly clear, with a low around 38. Southeast wind 5 to 15 mph becoming southwest after midnight.

Friday

Sunny, with a high near 48. South wind 10 to 15 mph.

Friday Night

Partly cloudy, with a low around 35. Southwest wind 10 to 15 mph.

Saturday

Sunny, with a high near 43. Breezy.

Saturday Night

Mostly clear, with a low around 28.

Sunday

Sunny, with a high near 35.

Sunday Night

A chance of snow showers. Mostly cloudy, with a low around 22.

Columbus Day

A chance of snow showers. Partly sunny, with a high near 28.

Monday Night

A chance of snow showers. Partly cloudy, with a low around 18.

Tuesday

Sunny, with a high near 30.

Additional Forecasts and Information

Zone Area Forecast for Mono County, CA

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ABOUT THIS FORECAST

Point Forecast:

8 Miles E Chalfant CA
37.54°N 118.23°W (Elev. 12178 ft)

4:30 am PDT Oct 7, 2026

Forecast Valid:

5am PDT Oct 7, 2026-6pm PDT Oct 13, 2026

Forecast Discussion

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