Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

POR31-Iron Horse (LIB09)

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

NA

80°F

27°C

Humidity 14%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Heat Index78°F (26°C)
Last update 27 Aug 10:10 AM PDT
Extended Forecast for

2 Miles SSW Portola CA

  • Today

    Today: Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: A 10 percent chance of showers after 5am.  Mostly cloudy, with a low around 49. Southwest wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 20 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm.  Cloudy, with a high near 75. Southeast wind 5 to 10 mph becoming southwest in the afternoon.  Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers before 11pm.  Cloudy during the early evening, then gradual clearing, with a low around 43. South wind around 5 mph.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40. Southwest wind 5 to 10 mph becoming light south  in the evening. Winds could gust as high as 20 mph.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 49. Southwest wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 20 mph.
Friday
A chance of showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 75. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 43. South wind around 5 mph.
Saturday
Sunny, with a high near 78. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Clear, with a low around 40. Southwest wind 5 to 10 mph becoming light south in the evening. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Portola CA
 39.79°N 120.49°W (Elev. 4987 ft)
4:30 am PDT Aug 27, 2026
10am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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