Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

READER RANCH (RRRC1)

Lat: 39.30351°NLon: 121.11725°WElev: 1968.0ft.

NA

84°F

29°C

Humidity 17%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Heat Index81°F (27°C)
Last update 19 May 03:13 PM PDT
Extended Forecast for

9 Miles NNW Grass Valley CA

  • Tonight

    Tonight: Clear, with a low around 52. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 54. Light and variable wind.

    Low: 54 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny through mid morning, then becoming sunny, with a high near 86. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 86 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 54. Light and variable wind.
Thursday
Partly sunny through mid morning, then becoming sunny, with a high near 86. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. Light and variable wind.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 56.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 55.
Memorial Day
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Grass Valley CA
 39.35°N 121.14°W (Elev. 1998 ft)
2:00 pm PDT May 19, 2026
4pm PDT May 19, 2026-6pm PDT May 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database