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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

99°F

37°C

Humidity 29%
Wind Speed ENE 4 MPH
Barometer NA
Dewpoint 61°F (16°C)
Visibility NA
Heat Index100°F (38°C)
Last update 17 Jun 05:26 PM PDT
Extended Forecast for

20 Miles S Alder Springs CA

  • Tonight

    Tonight: Mostly clear, with a low around 64. East wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. East wind 5 to 8 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54. South wind 5 to 9 mph becoming calm in the evening.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 64. East wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93. Calm wind becoming east 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. East wind 5 to 8 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 84. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Friday Night
Clear, with a low around 54. South wind 5 to 9 mph becoming calm in the evening.
Saturday
Sunny, with a high near 86.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 61.
Monday
Sunny, with a high near 93.
Monday Night
Clear, with a low around 62.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Clear, with a low around 63.
Wednesday
Sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles S Alder Springs CA
 39.36°N 122.65°W (Elev. 1627 ft)
Last Update:
2:00 pm PDT Jun 17, 2026
Forecast Valid:
6pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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