National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

SIARD (SIAN2)

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

NA

46°F

8°C

Humidity 43%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 21 Mar 07:38 AM PDT
Extended Forecast for

20 Miles ESE Unionville NV

Lake Wind Advisory March 21, 11:00am until March 21, 08:00pm
Click here for hazard details and duration
Lake Wind Advisory

  • Today

    Today: Mostly sunny, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 64 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 44. Breezy, with a west wind 15 to 20 mph becoming north after midnight. Winds could gust as high as 30 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. West wind 10 to 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. North wind around 15 mph becoming southwest in the morning. Winds could gust as high as 25 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 48 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 64. Breezy.

    High: 64 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Breezy.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. Breezy.

    High: 62 °F

    Sunny then
    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 44. Breezy, with a west wind 15 to 20 mph becoming north after midnight. Winds could gust as high as 30 mph.
Sunday
Mostly sunny, with a high near 59. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 47. West wind 10 to 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 61. North wind around 15 mph becoming southwest in the morning. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 48. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 64. Breezy.
Tuesday Night
Mostly clear, with a low around 47. Breezy.
Wednesday
Mostly sunny, with a high near 62. Breezy.
Wednesday Night
Partly cloudy, with a low around 40. Breezy.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles ESE Unionville NV
 40.27°N 117.79°W (Elev. 7533 ft)
Last Update:
4:20 am PDT Mar 21, 2026
Forecast Valid:
8am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation