Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

74°F

23°C

Humidity 13%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 18 Jun 10:38 PM PDT
Extended Forecast for

31 Miles SSE Unionville NV

Heat Advisory June 18, 11:36pm until June 19, 05:00am
Red Flag Warning June 19, 12:00pm until June 19, 11:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
  •  
    Heat Advisory June 18, 11:36pm until June 19, 05:00am

    NOW until 5:00am Fri

    Heat Advisory

  • Tonight

    Low: 70 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: A 30 percent chance of showers after 5pm.  Partly sunny, with a high near 91. East wind 5 to 10 mph becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 91 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 61 °F

    Chance
    Showers and
    Breezy then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. West wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. West wind 5 to 10 mph becoming north after midnight.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 70. Northwest wind 5 to 10 mph.
Juneteenth
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 91. East wind 5 to 10 mph becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 82. West wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 61. West wind 5 to 10 mph becoming north after midnight.
Sunday
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Clear, with a low around 67.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 91.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
31 Miles SSE Unionville NV
 40.04°N 117.83°W (Elev. 5092 ft)
11:30 pm PDT Jun 18, 2026
11pm PDT Jun 18, 2026-6pm PDT Jun 25, 2026
 
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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