Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

NWS Reno WFO (REV01)

Lat: 39.5683°NLon: 119.7956°WElev: 4987.0ft.

NA

38°F

3°C

Humidity 57%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 20 Jan 01:30 AM PST
Extended Forecast for

Sun Valley NV

  • Overnight

    Overnight: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Calm wind.
Tuesday
Partly sunny, with a high near 46. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 24. Calm wind.
Wednesday
Mostly cloudy, with a high near 48. Calm wind.
Wednesday Night
Cloudy, with a low around 35. Calm wind.
Thursday
Partly sunny, with a high near 54. Calm wind.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley NV
 39.59°N 119.8°W (Elev. 5000 ft)
1:15 am PST Jan 20, 2026
1am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database