Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

82°F

28°C

Humidity 11%
Wind Speed NNW 9 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Heat Index80°F (27°C)
Last update 08 Sep 07:38 PM PDT
Extended Forecast for

42 Miles SE Unionville NV

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Northwest wind around 10 mph becoming east in the evening.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. Southeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. Northwest wind around 10 mph becoming east after midnight.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Southeast wind 10 to 15 mph becoming west in the morning.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 72. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. Northwest wind around 10 mph becoming east in the evening.
Wednesday
Sunny, with a high near 74. Southeast wind 5 to 10 mph becoming northwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 57. Northwest wind around 10 mph becoming east after midnight.
Thursday
Mostly sunny, with a high near 74. Southeast wind 10 to 15 mph becoming west in the morning.
Thursday Night
Mostly cloudy, with a low around 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 72. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 68. Breezy.
Saturday Night
Mostly clear, with a low around 44. Breezy.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
42 Miles SE Unionville NV
 40.03°N 117.54°W (Elev. 7513 ft)
4:30 pm PDT Sep 8, 2026
7pm PDT Sep 8, 2026-6pm PDT Sep 15, 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