Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Alturas (KAAT)

Lat: 41.48362°NLon: 120.5615°WElev: 4383.0ft.

Overcast

50°F

10°C

Humidity 57%
Wind Speed WSW 12 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 15 Apr 01:20 PM PDT
Extended Forecast for

3 Miles ENE Alturas CA

Wind Advisory April 15, 01:38pm until April 15, 08:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory April 15, 01:38pm until April 15, 08:00pm

    NOW until 8:00pm Wed

    Wind Advisory

  • This Afternoon

    High: 54 °F

    Rain Likely
    and Breezy

  • Tonight

    Tonight: Rain before 9pm, then a chance of snow between 9pm and midnight.  Low around 19. Breezy, with a west southwest wind 18 to 23 mph becoming light and variable  after midnight. Winds could gust as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Rain/Snow and
    Breezy then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46. Calm wind becoming north northwest 5 to 9 mph in the morning.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. North wind 5 to 10 mph becoming light northeast  in the evening.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Calm wind.

    High: 58 °F

    Sunny

  • Friday Night

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

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain likely, mainly between 4pm and 5pm. Snow level 6900 feet. Mostly cloudy, with a high near 54. Breezy, with a southwest wind 24 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Tonight
Rain before 9pm, then a chance of snow between 9pm and midnight. Low around 19. Breezy, with a west southwest wind 18 to 23 mph becoming light and variable after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 46. Calm wind becoming north northwest 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 18. North wind 5 to 10 mph becoming light northeast in the evening.
Friday
Sunny, with a high near 58. Calm wind.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 68.
Sunday Night
A slight chance of rain. Snow level 7700 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 37.
Monday
A chance of rain. Snow level 6200 feet. Partly sunny, with a high near 64.
Monday Night
A slight chance of rain. Snow level 6600 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 34.
Tuesday
A chance of rain. Snow level 5500 feet rising to 6300 feet in the afternoon. Partly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Alturas CA
 41.5°N 120.5°W (Elev. 4406 ft)
12:57 pm PDT Apr 15, 2026
1pm PDT Apr 15, 2026-6pm PDT Apr 21, 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