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

64°F

18°C

Humidity 25%
Wind Speed N 10 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 28 Mar 05:20 PM MDT
Extended Forecast for

New Plymouth ID

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Light and variable wind becoming west northwest 5 to 7 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 72. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. West southwest wind 5 to 9 mph becoming northwest after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain showers, mixing with snow after 9am, then gradually ending. Mostly cloudy, with a high near 55. Northwest wind 13 to 16 mph. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. North northwest wind 5 to 11 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers. Low around 38. Chance of precipitation is 90%.

    Low: 38 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Light and variable wind becoming west northwest 5 to 7 mph.
Sunday
Mostly sunny, with a high near 72. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40. West southwest wind 5 to 9 mph becoming northwest after midnight.
Monday
A slight chance of rain showers, mixing with snow after 9am, then gradually ending. Mostly cloudy, with a high near 55. Northwest wind 13 to 16 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 29. North northwest wind 5 to 11 mph.
Tuesday
Sunny, with a high near 61.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 39.
Wednesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Wednesday Night
Showers. Low around 38. Chance of precipitation is 90%.
Thursday
Showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 31.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 63.
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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 pm MDT Mar 28, 2026
Forecast Valid:
5pm MDT Mar 28, 2026-6pm MDT Apr 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