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

Ontario Municipal Airport (KONO)

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

Clear

39°F

4°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 30°F (-1°C)
Visibility 9.00 mi
Last update 19 Oct 02:00 AM MDT
Extended Forecast for

New Plymouth ID

  • Overnight

    Overnight: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Areas of fog before 10am. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers and
    Areas Fog

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 39. Calm wind.
Monday
Sunny, with a high near 73. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 40. Light and variable wind.
Tuesday
Mostly sunny, with a high near 72. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. Areas of fog before 10am. High near 66. Chance of precipitation is 80%.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 31.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 36.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 62.
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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:
12:29 am MDT Oct 19, 2026
Forecast Valid:
2am MDT Oct 19, 2026-6pm MDT Oct 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