Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

POR31-Iron Horse (LIB09)

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

NA

46°F

8°C

Humidity 51%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 14 Apr 11:20 AM PDT
Extended Forecast for

2 Miles SSW Portola CA

  • Today

    Today: Sunny, with a high near 56. West wind 5 to 10 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. West wind 5 to 10 mph becoming light southwest  in the evening.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain showers likely before 2am, then snow showers likely.  Snow level 6900 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 26 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A 20 percent chance of snow showers before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 5 to 10 mph becoming northeast in the morning.

    High: 47 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 21. Northeast wind 5 to 10 mph.

    Low: 21 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 56. West wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 29. West wind 5 to 10 mph becoming light southwest in the evening.
Wednesday
Mostly sunny, with a high near 55. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Rain showers likely before 2am, then snow showers likely. Snow level 6900 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 5 to 10 mph becoming northeast in the morning.
Thursday Night
Clear, with a low around 21. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
A chance of showers. Snow level 6200 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 59.
Sunday Night
A chance of rain and snow showers. Snow level 6600 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 32.
Monday
A chance of rain and snow showers. Snow level rising to 5500 feet in the afternoon. Partly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Portola CA
 39.79°N 120.49°W (Elev. 4987 ft)
11:30 am PDT Apr 14, 2026
11am PDT Apr 14, 2026-6pm PDT Apr 20, 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