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

60°F

16°C

Humidity 18%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Last update 10 Jul 04:38 AM PDT
Extended Forecast for

23 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 91. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. South wind 5 to 10 mph becoming west in the afternoon.

    High: 96 °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 92. Southwest wind 5 to 10 mph.

    High: 92 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 66. West wind 5 to 10 mph becoming north after midnight.

    Low: 66 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 61. 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 96. South wind 5 to 10 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 92. Southwest wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 66. West wind 5 to 10 mph becoming north after midnight.
Monday
Mostly sunny, with a high near 89.
Monday Night
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles ESE Unionville NV
 40.3°N 117.71°W (Elev. 5787 ft)
Last Update:
4:30 am PDT Jul 10, 2026
Forecast Valid:
4am PDT Jul 10, 2026-6pm PDT Jul 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation