Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

SIARD (SIAN2)

Lat: 40.39433°NLon: 117.62567°WElev: 4600.0ft.

NA

39°F

4°C

Humidity 83%
Wind Speed SSW 14 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 22 Apr 03:38 AM PDT
Extended Forecast for

20 Miles ESE Unionville NV

  • Overnight

    Overnight: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 27. Breezy, with a west wind around 25 mph, with gusts as high as 35 mph.  Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Chance Snow
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 40 percent chance of snow showers.  Partly sunny, with a high near 39. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.  New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 29 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 47. West wind around 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. West wind 10 to 15 mph becoming northeast after midnight.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. Northeast wind around 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers.  Mostly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Overnight
A 40 percent chance of snow showers. Mostly cloudy, with a low around 27. Breezy, with a west wind around 25 mph, with gusts as high as 35 mph. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
A 40 percent chance of snow showers. Partly sunny, with a high near 39. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 29. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 47. West wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 35. West wind 10 to 15 mph becoming northeast after midnight.
Friday
Sunny, with a high near 51. Northeast wind around 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 51.
Saturday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. Breezy.
Sunday
A chance of rain and snow showers. Partly sunny, with a high near 45. Breezy.
Sunday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 33.
Monday
A chance of snow showers. Mostly sunny, with a high near 47.
Monday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain and snow showers. Partly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles ESE Unionville NV
 40.27°N 117.79°W (Elev. 7533 ft)
11:30 pm PDT Apr 21, 2026
3am PDT Apr 22, 2026-6pm PDT Apr 28, 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