Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

SIARD (SIAN2)

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

NA

75°F

24°C

Humidity 14%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 13 Jul 11:38 PM PDT
Extended Forecast for

4 Miles N Unionville NV

Heat Advisory July 14, 12:00am until July 16, 11:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 14, 12:00am until July 16, 11:00am

    NOW until 11:00am Wed

    Heat Advisory

  • Overnight

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 99. North wind 5 to 10 mph becoming southeast in the morning.

    High: 99 °F

    Sunny

  • Monday Night

    Monday Night: Widespread haze between 3am and 4am. Mostly clear, with a low around 69. West wind 5 to 10 mph becoming northwest in the evening.

    Low: 69 °F

    Mostly Clear
    then Haze

  • Tuesday

    Tuesday: Sunny, with a high near 95. West wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. West wind 10 to 15 mph becoming north after midnight.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. North wind 5 to 10 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 72. North wind around 10 mph.
Monday
Sunny, with a high near 99. North wind 5 to 10 mph becoming southeast in the morning.
Monday Night
Widespread haze between 3am and 4am. Mostly clear, with a low around 69. West wind 5 to 10 mph becoming northwest in the evening.
Tuesday
Sunny, with a high near 95. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 64. West wind 10 to 15 mph becoming north after midnight.
Wednesday
Sunny, with a high near 92. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 93.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Unionville NV
 40.49°N 118.11°W (Elev. 5003 ft)
10:17 pm PDT Jul 13, 2025
12am PDT Jul 14, 2025-6pm PDT Jul 20, 2025
 
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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