Severe Thunderstorms for Mid-Atlantic and Northeast; Typhoon Approaching Guam

A cold front will sweep eastward today accompanied by strong to severe thunderstorms for the mid-Atlantic and Northeast today. In the wake of this cold front, autumn like temperatures and gusty winds from the Plains, Mississippi Valley, Great Lakes to most of the eastern seaboard. Fire weather conditions for lower Mississippi Valley into portions of California. For Guam, a typhoon is approaching. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

50°F

10°C

Humidity	30%
Wind Speed	E 2 MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Last update	16 Oct 08:04 PM PDT

More Information:

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

Extended Forecast for

17 Miles W Chalfant CA

Tonight
Low: 36 °F
Mostly Clear
Saturday
High: 66 °F
Sunny
Saturday Night
Low: 38 °F
Mostly Clear
Sunday
High: 66 °F
Sunny
Sunday Night
Low: 34 °F
Clear
Monday
High: 63 °F
Sunny
Monday Night
Low: 33 °F
Mostly Clear
Tuesday
High: 54 °F
Chance
Rain/Snow
Tuesday Night
Low: 31 °F
Rain/Snow
Likely

Detailed Forecast

Tonight

Mostly clear, with a low around 36. Southeast wind around 5 mph becoming calm.

Saturday

Sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 38. Southeast wind around 5 mph becoming calm.

Sunday

Sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.

Sunday Night

Clear, with a low around 34. South wind around 5 mph becoming calm.

Monday

Sunny, with a high near 63. West wind 5 to 10 mph becoming south in the morning. Winds could gust as high as 20 mph.

Monday Night

Mostly clear, with a low around 33.

Tuesday

A chance of rain and snow after 11am. Snow level 7700 feet rising to 8500 feet in the afternoon. Mostly sunny, with a high near 54.

Tuesday Night

Rain and snow likely. Snow level 8400 feet. Mostly cloudy, with a low around 31.

Wednesday

Rain and snow likely. Snow level 7900 feet rising to 8500 feet in the afternoon. Mostly cloudy, with a high near 48.

Wednesday Night

Rain and snow likely. Snow level 8600 feet lowering to 8100 feet after midnight . Mostly cloudy, with a low around 30.

Thursday

A chance of rain and snow. Snow level 7700 feet rising to 8600 feet in the afternoon. Partly sunny, with a high near 49.

Thursday Night

A slight chance of rain. Snow level 8800 feet lowering to 8100 feet after midnight . Partly cloudy, with a low around 30.

Friday

Sunny, with a high near 52.

Additional Forecasts and Information

Zone Area Forecast for Mono County, CA

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ABOUT THIS FORECAST

Point Forecast:

17 Miles W Chalfant CA
37.57°N 118.67°W (Elev. 7198 ft)

4:31 pm PDT Oct 16, 2026

Forecast Valid:

8pm PDT Oct 16, 2026-6pm PDT Oct 23, 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