Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

POR31-Iron Horse (LIB09)

Lat: 39.77898°NLon: 120.50284°WElev: 5001.0ft.

NA

51°F

11°C

Humidity 56%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 19 Aug 03:50 AM PDT
Extended Forecast for

3 Miles W Portola CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Southwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph becoming light south  in the evening. Winds could gust as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 47. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 50. Southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Portola CA
 39.8°N 120.52°W (Elev. 4908 ft)
11:30 pm PDT Aug 18, 2026
4am PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database