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

Heavy Rainfall for the Mid-Atlantic; Heat and Wildfire Concerns for the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region today into tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the interior Northwest with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

SIARD (SIAN2)

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

NA

102°F

39°C

Humidity 8%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Heat Index96°F (36°C)
Last update 14 Jul 01:38 PM PDT
Extended Forecast for

38 Miles SE Unionville NV

Heat Advisory July 14, 02:28pm until July 16, 09:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 14, 02:28pm until July 16, 09:00am

    NOW until 9:00am Wed

    Heat Advisory

  • This Afternoon

    High: 108 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 70. West wind 5 to 15 mph becoming south in the evening.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. West wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. West wind 5 to 10 mph becoming southeast in the evening.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 108. West wind around 10 mph.
Tonight
Mostly clear, with a low around 70. West wind 5 to 15 mph becoming south in the evening.
Tuesday
Sunny and hot, with a high near 102. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 67. West wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. West wind 5 to 10 mph becoming southeast in the evening.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Clear, with a low around 63.
Sunday
Sunny, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
38 Miles SE Unionville NV
 40.02°N 117.65°W (Elev. 3698 ft)
Last Update:
2:16 pm PDT Jul 14, 2025
Forecast Valid:
2pm PDT Jul 14, 2025-6pm PDT Jul 20, 2025
 
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