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

96°F

36°C

Humidity 10%
Wind Speed WSW 14 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Heat Index91°F (33°C)
Last update 10 Jul 03:38 PM 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

  • Tonight

    Tonight: Mostly clear, with a low around 63. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. West wind 5 to 10 mph becoming south in the morning.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 68. Northwest wind 5 to 10 mph.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 91. Northwest wind 5 to 10 mph becoming southwest in the morning.

    High: 91 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68. West wind 5 to 10 mph becoming north after midnight.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 89. North wind 5 to 10 mph becoming south in the afternoon.

    High: 89 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 63. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.
Saturday
Sunny, with a high near 96. West wind 5 to 10 mph becoming south in the morning.
Saturday Night
Mostly cloudy, with a low around 68. Northwest wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 91. Northwest wind 5 to 10 mph becoming southwest in the morning.
Sunday Night
Mostly cloudy, with a low around 68. West wind 5 to 10 mph becoming north after midnight.
Monday
Partly sunny, with a high near 89. North wind 5 to 10 mph becoming south in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 92.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 91.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
23 Miles ESE Unionville NV
 40.28°N 117.74°W (Elev. 5413 ft)
Last Update:
4:30 pm PDT Jul 10, 2026
Forecast Valid:
4pm PDT Jul 10, 2026-6pm PDT Jul 17, 2026
 
Forecast Discussion
 
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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