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

Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

SIARD (SIAN2)

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

NA

41°F

5°C

Humidity 46%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 19 May 12:38 AM PDT
Extended Forecast for

36 Miles SE Unionville NV

  • Overnight

    Overnight: Mostly clear, with a low around 40. Northeast wind around 5 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. East wind around 5 mph becoming calm.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Northwest wind around 5 mph becoming east after midnight.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 79. East wind around 5 mph becoming west in the afternoon.

    High: 79 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West wind around 5 mph becoming northeast in the evening.

    Low: 50 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 40. Northeast wind around 5 mph.
Tuesday
Sunny, with a high near 72. East wind around 5 mph becoming calm.
Tuesday Night
Mostly clear, with a low around 45. Northwest wind around 5 mph becoming east after midnight.
Wednesday
Increasing clouds, with a high near 79. East wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West wind around 5 mph becoming northeast in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 57.
Memorial Day
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
36 Miles SE Unionville NV
 40.12°N 117.59°W (Elev. 3848 ft)
Last Update:
11:30 pm PDT May 18, 2026
Forecast Valid:
12am PDT May 19, 2026-6pm PDT May 25, 2026
 
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