Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

POR31-Iron Horse (LIB09)

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

NA

36°F

2°C

Humidity 80%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 16 Apr 07:10 AM PDT
Extended Forecast for

2 Miles SSW Portola CA

Freeze Warning April 16, 11:00pm until April 17, 08:00am
Click here for hazard details and duration
Freeze Warning
  • Today

    Today: Sunny, with a high near 51. North wind 5 to 10 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 22. East wind 5 to 10 mph.

    Low: 22 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 59. East wind 5 to 10 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. East wind around 5 mph becoming calm.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. South wind around 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain showers before 2am, then a chance of rain and snow showers.  Snow level 7500 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow showers.  Snow level 5900 feet. Partly sunny, with a high near 57.

    High: 57 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 51. North wind 5 to 10 mph.
Tonight
Clear, with a low around 22. East wind 5 to 10 mph.
Friday
Sunny, with a high near 59. East wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 27. East wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 35. South wind around 5 mph.
Sunday
Partly sunny, with a high near 64.
Sunday Night
A chance of rain showers before 2am, then a chance of rain and snow showers. Snow level 7500 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 36.
Monday
A chance of rain and snow showers. Snow level 5900 feet. Partly sunny, with a high near 57.
Monday Night
A chance of rain and snow showers before 8pm, then a chance of rain showers between 8pm and 11pm, then a chance of rain and snow showers after 11pm. Snow level 6300 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 30.
Tuesday
A chance of rain and snow showers. Snow level 5500 feet rising to 6200 feet in the afternoon. Partly sunny, with a high near 50.
Tuesday Night
A chance of rain and snow showers. Snow level 6400 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 29.
Wednesday
A slight chance of rain and snow showers. Snow level 5700 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Portola CA
 39.79°N 120.49°W (Elev. 4987 ft)
5:15 am PDT Apr 16, 2026
7am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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Additional Resources

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