Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

78°F

26°C

Humidity 6%
Wind Speed NE 7 MPH
Barometer NA
Dewpoint 6°F (-14°C)
Visibility NA
Heat Index76°F (24°C)
Last update 27 Jul 09:38 PM PDT
Extended Forecast for

30 Miles ESE Unionville NV

  • Tonight

    Tonight: Mostly clear, with a low around 59. North wind around 10 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. North wind 5 to 10 mph becoming southwest in the morning.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. West wind 5 to 15 mph becoming north in the evening.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. West wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Northwest wind 5 to 15 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Southwest wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. North wind around 10 mph.
Tuesday
Sunny, with a high near 84. North wind 5 to 10 mph becoming southwest in the morning.
Tuesday Night
Mostly clear, with a low around 60. West wind 5 to 15 mph becoming north in the evening.
Wednesday
Sunny, with a high near 85. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 60. Northwest wind 5 to 15 mph.
Thursday
Sunny, with a high near 87. Southwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 89.
Friday Night
Clear, with a low around 64.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 89.
Sunday Night
Clear, with a low around 63.
Monday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
30 Miles ESE Unionville NV
 40.27°N 117.59°W (Elev. 7172 ft)
4:30 pm PDT Jul 27, 2026
10pm PDT Jul 27, 2026-6pm PDT Aug 3, 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