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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

PIKE COUNTY LOOKOUT (PKCC1)

Lat: 39.47469°NLon: 121.20241°WElev: 3701.0ft.

NA

82°F

28°C

Humidity 39%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Heat Index81°F (27°C)
Last update 17 Jun 09:10 AM PDT
Extended Forecast for

20 Miles N Grass Valley CA

  • Today

    Today: Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Light and variable wind.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 61. Light and variable wind.

    Low: 61 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: A 30 percent chance of rain before 11am. Mostly sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Chance Rain
    then Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 64. Light and variable wind.
Thursday
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 61. Light and variable wind.
Juneteenth
A 30 percent chance of rain before 11am. Mostly sunny, with a high near 78. Light and variable wind.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 84.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 85.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles N Grass Valley CA
 39.5°N 121.06°W (Elev. 3399 ft)
Last Update:
2:00 am PDT Jun 17, 2026
Forecast Valid:
9am PDT Jun 17, 2026-6pm PDT Jun 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation