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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

84°F

29°C

Humidity 21%
Wind Speed S 9 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index81°F (27°C)
Last update 21 Aug 09:38 PM PDT
Extended Forecast for

21 Miles SE Unionville NV

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers after 5pm. Sunny, with a high near 90. South wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 66. West wind 10 to 15 mph becoming west 5 to 10 mph after midnight.

    Low: 66 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 67. West wind 5 to 10 mph becoming northeast after midnight.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. South wind around 5 mph.
Saturday
A 10 percent chance of showers after 5pm. Sunny, with a high near 90. South wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon.
Saturday Night
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 66. West wind 10 to 15 mph becoming west 5 to 10 mph after midnight.
Sunday
Sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 67. West wind 5 to 10 mph becoming northeast after midnight.
Monday
Mostly sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SE Unionville NV
 40.22°N 117.84°W (Elev. 4961 ft)
Last Update:
4:30 pm PDT Aug 21, 2026
Forecast Valid:
10pm PDT Aug 21, 2026-6pm PDT Aug 28, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation