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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

POR31-Iron Horse (LIB09)

Lat: 39.77898°NLon: 120.50284°WElev: 5001.0ft.

NA

78°F

26°C

Humidity 31%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index78°F (26°C)
Last update 12 Jul 01:20 PM PDT
Extended Forecast for

3 Miles NNW Sierraville CA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 82. Southwest wind 5 to 10 mph.

    High: 82 °F

    Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers after 11pm. Cloudy, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. West wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 82. Southwest wind 5 to 10 mph.
Tonight
A 20 percent chance of showers after 11pm. Cloudy, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind.
Monday Night
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 51. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 82. Calm wind.
Tuesday Night
Mostly clear, with a low around 50. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Sierraville CA
 39.62°N 120.39°W (Elev. 4967 ft)
Last Update:
11:30 am PDT Jul 12, 2026
Forecast Valid:
1pm PDT Jul 12, 2026-6pm PDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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