Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

40°F

4°C

Humidity 100%
Wind Speed E 7 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 21 Apr 02:01 AM PDT
Extended Forecast for

4 Miles ENE Calpella CA

  • Overnight

    Overnight: Showers.  Low around 46. South southeast wind around 5 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  High near 58. Calm wind becoming southeast 5 to 7 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 8pm.  Areas of fog after 5am.  Otherwise, mostly cloudy, with a low around 43. West southwest wind 5 to 9 mph becoming calm  after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Showers
    Likely then
    Scattered
    Showers and
    Areas Fog

  • Wednesday

    Wednesday: Isolated showers before 11am.  Areas of fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind becoming west 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 63 °F

    Isolated
    Showers and
    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

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

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers. Low around 46. South southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 58. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely, mainly before 8pm. Areas of fog after 5am. Otherwise, mostly cloudy, with a low around 43. West southwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Isolated showers before 11am. Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 40. West wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 45.
Saturday
A slight chance of rain after 11am. Mostly sunny, with a high near 71.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Calpella CA
 39.24°N 123.12°W (Elev. 997 ft)
2:10 am PDT Apr 21, 2026
2am PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database