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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

SUGARLOAF (SHF) (SLFC1)

Lat: 40.91596°NLon: 122.43483°WElev: 3259.0ft.

NA

84°F

29°C

Humidity 37%
Wind Speed SSE 8 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Heat Index83°F (28°C)
Last update 16 Aug 02:19 PM PDT
Extended Forecast for

16 Miles N Central Valley CA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. South wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then a slight chance of showers after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 64. Light west southwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 86. South wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 58. South wind 5 to 7 mph becoming calm in the evening.

    Low: 58 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. South wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 10pm, then a slight chance of showers after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 64. Light west southwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 86. South wind 3 to 8 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 58. South wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 87. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny and hot, with a high near 103.
Thursday Night
Clear, with a low around 68.
Friday
Sunny and hot, with a high near 102.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles N Central Valley CA
 40.91°N 122.4°W (Elev. 1430 ft)
Last Update:
1:21 pm PDT Aug 16, 2025
Forecast Valid:
2pm PDT Aug 16, 2025-6pm PDT Aug 22, 2025
 
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