Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Jolon Hills (PG727)

Lat: 35.88446°NLon: 120.95584°WElev: 1495.0ft.

NA

48°F

9°C

Humidity 89%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 12 Apr 01:50 AM PDT
Extended Forecast for

4 Miles SE Lake San Antonio CA

  • Overnight

    Overnight: A 40 percent chance of showers, mainly before 5am.  Mostly cloudy, with a low around 42. Southwest wind 3 to 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers, mainly before noon.  Mostly sunny, with a high near 61. Calm wind becoming west southwest 5 to 9 mph in the morning.  New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 37. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 66 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 38. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am.  Otherwise, clear, with a low around 39.

    Low: 39 °F

    Clear then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly before 5am. Mostly cloudy, with a low around 42. Southwest wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 40 percent chance of showers, mainly before noon. Mostly sunny, with a high near 61. Calm wind becoming west southwest 5 to 9 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 37. West southwest wind around 6 mph becoming calm in the evening.
Monday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 38. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 70.
Tuesday Night
Patchy fog after 5am. Otherwise, clear, with a low around 39.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Clear, with a low around 38.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Lake San Antonio CA
 35.82°N 120.96°W (Elev. 1083 ft)
1:25 am PDT Apr 12, 2026
2am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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