Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

SIARD (SIAN2)

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

NA

79°F

26°C

Humidity 9%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Heat Index77°F (25°C)
Last update 15 Jul 11:38 PM PDT
Extended Forecast for

3 Miles ENE Unionville NV

Heat Advisory July 16, 12:15am until July 16, 09:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 16, 12:15am until July 16, 09:00am

    NOW until 9:00am Wed

    Heat Advisory

  • Overnight

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. North wind around 5 mph becoming east in the morning.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Northwest wind around 5 mph becoming southwest after midnight.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Southwest wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. West wind 5 to 10 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Southwest wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 63. North wind 5 to 10 mph.
Wednesday
Sunny, with a high near 96. North wind around 5 mph becoming east in the morning.
Wednesday Night
Mostly clear, with a low around 63. Northwest wind around 5 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 95. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 62. West wind 5 to 10 mph.
Friday
Sunny, with a high near 94. Southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 95.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 94.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 93.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 92.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Unionville NV
 40.46°N 118.07°W (Elev. 4432 ft)
10:16 pm PDT Jul 15, 2025
12am PDT Jul 16, 2025-6pm PDT Jul 22, 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