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

42°F

6°C

Humidity 48%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 21 Mar 01:38 AM PDT
Extended Forecast for

32 Miles E Unionville NV

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

  • Overnight

    Overnight: Mostly clear, with a low around 46. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 57 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 40 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 54. North wind around 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 57. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 57 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 61. Windy.

    High: 61 °F

    Sunny and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. Windy.

    Low: 44 °F

    Mostly Clear
    and Windy

Detailed Forecast

Overnight
Mostly clear, with a low around 46. West wind around 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 57. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 40. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Sunday
Mostly sunny, with a high near 54. North wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 43. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 57. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around 45. Breezy.
Tuesday
Sunny, with a high near 61. Windy.
Tuesday Night
Mostly clear, with a low around 44. Windy.
Wednesday
Mostly sunny, with a high near 59. Windy.
Wednesday Night
Partly cloudy, with a low around 36. Windy.
Thursday
Mostly sunny, with a high near 52. Breezy.
Thursday Night
Partly cloudy, with a low around 38. Windy.
Friday
Partly sunny, with a high near 53. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
32 Miles E Unionville NV
 40.37°N 117.52°W (Elev. 8609 ft)
Last Update:
11:20 pm PDT Mar 20, 2026
Forecast Valid:
2am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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