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

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

SIARD (SIAN2)

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

NA

83°F

28°C

Humidity 19%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index81°F (27°C)
Last update 10 Jul 09:38 AM PDT
Extended Forecast for

19 Miles ESE Unionville NV

Heat Advisory July 11, 11:00am until July 12, 08:00am
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 87. Breezy, with a southwest wind 10 to 20 mph.

    High: 87 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 62. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. South wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 88 °F

    Partly Sunny

  • Sunday Night

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

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Breezy, with a southwest wind 10 to 20 mph.
Tonight
Mostly clear, with a low around 62. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 91. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 67. West wind 5 to 10 mph becoming north after midnight.
Monday
Mostly sunny, with a high near 85.
Monday Night
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles ESE Unionville NV
 40.36°N 117.79°W (Elev. 6437 ft)
Last Update:
4:30 am PDT Jul 10, 2026
Forecast Valid:
10am PDT Jul 10, 2026-6pm PDT Jul 16, 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