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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

SIARD (SIAN2)

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

NA

74°F

23°C

Humidity 14%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 16 Jun 10:38 PM PDT
Extended Forecast for

7 Miles S Unionville NV

Fire Weather Watch June 19, 08:00am until June 19, 11:00pm
Heat Advisory until June 19, 05:00am
Click here for hazard details and duration
Fire Weather Watch
Heat Advisory
  •  
    Heat Advisory until June 19, 05:00am

    NOW until 5:00am Fri

    Heat Advisory

  • Tonight

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. North wind around 15 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Northeast wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 67. North wind 5 to 10 mph.

    Low: 67 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 89. Northeast wind 5 to 15 mph becoming southwest in the morning.

    High: 89 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 67. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 93. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 64. North wind around 15 mph.
Thursday
Sunny, with a high near 94. Northeast wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 67. North wind 5 to 10 mph.
Juneteenth
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 89. Northeast wind 5 to 15 mph becoming southwest in the morning.
Friday Night
A 40 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 58.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 93.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Unionville NV
 40.34°N 118.1°W (Elev. 4921 ft)
Last Update:
4:30 pm PDT Jun 16, 2026
Forecast Valid:
11pm PDT Jun 16, 2026-6pm PDT Jun 23, 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