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

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Clear

28°F

-2°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.67 in (1038.61 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 28 Dec 10:20 PM MST
Extended Forecast for

New Plymouth ID

Air Stagnation Advisory until January 1, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 10:00am

    NOW until 10:00am Thu

    Air Stagnation Advisory

  • Tonight

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38. Calm wind.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A slight chance of rain and snow after 11am. Mostly cloudy, with a high near 39. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Calm wind.
Monday
Mostly sunny, with a high near 38. Calm wind.
Monday Night
Mostly clear, with a low around 20. Calm wind.
Tuesday
Sunny, with a high near 38. Calm wind.
Tuesday Night
Mostly clear, with a low around 19. Calm wind.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 24.
New Year's Day
A slight chance of rain and snow after 11am. Mostly cloudy, with a high near 39. Chance of precipitation is 20%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Friday
A 50 percent chance of rain. Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 41.
Friday Night
A 40 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 30.
Saturday
A 40 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 44.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Plymouth ID
 43.96°N 116.81°W (Elev. 2254 ft)
Last Update:
2:04 pm MST Dec 28, 2025
Forecast Valid:
10pm MST Dec 28, 2025-6pm MST Jan 4, 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