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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

SCE Camp Nelson (SE333)

Lat: 36.1402°NLon: 118.6159°WElev: 4836.0ft.

NA

78°F

26°C

Humidity 39%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index79°F (26°C)
Last update 15 Aug 03:40 PM PDT
Extended Forecast for

18 Miles E Porterville CA

  • Overnight

    Overnight: Clear, with a low around 62. Calm wind.

    Low: 62 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming west southwest around 5 mph in the morning.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65. East southeast wind around 5 mph becoming calm after midnight.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming west around 5 mph in the morning.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. West wind around 5 mph becoming east after midnight.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. West wind around 5 mph becoming east after midnight.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. East wind around 5 mph becoming west in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. West wind around 5 mph becoming east in the evening.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 62. Calm wind.
Monday
Sunny, with a high near 79. Calm wind becoming west southwest around 5 mph in the morning.
Monday Night
Clear, with a low around 65. East southeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 82. Calm wind becoming west around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 67. West wind around 5 mph becoming east after midnight.
Wednesday
Sunny, with a high near 84. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 72. West wind around 5 mph becoming east after midnight.
Thursday
Sunny, with a high near 89. East wind around 5 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 76. West wind around 5 mph becoming east in the evening.
Friday
Sunny, with a high near 92. East wind around 5 mph becoming west in the afternoon.
Friday Night
A 20 percent chance of rain. Mostly clear, with a low around 77. West wind around 5 mph becoming east in the evening.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. East wind around 5 mph becoming west in the afternoon.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 75. West wind around 5 mph becoming east in the evening.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles E Porterville CA
 36.04°N 118.7°W (Elev. 3786 ft)
Last Update:
2:57 am PDT Aug 18, 2025
Forecast Valid:
3am PDT Aug 18, 2025-6pm PDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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