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

44°F

7°C

Humidity 46%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 21 Mar 02:38 AM PDT
Extended Forecast for

13 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 51. Southeast wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. West wind 10 to 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Northeast wind 5 to 10 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. West wind around 5 mph becoming northeast after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 77. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 45. West wind 10 to 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 71. Northeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 48. West wind around 5 mph becoming northeast after midnight.
Monday
Mostly sunny, with a high near 75. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles E Unionville NV
 40.43°N 117.89°W (Elev. 4600 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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Chance of Precipitation