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.

Partly Cloudy

50°F

10°C

Humidity 31%
Wind Speed N 12 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 09 Mar 04:35 PM MDT
Extended Forecast for

New Plymouth ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Northwest wind 6 to 11 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47. West northwest wind 7 to 10 mph.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. North wind 5 to 8 mph becoming southeast after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. Southeast wind 5 to 9 mph.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Southeast wind 7 to 9 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. Northwest wind 6 to 11 mph.
Tuesday
Partly sunny, with a high near 47. West northwest wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 29. North wind 5 to 8 mph becoming southeast after midnight.
Wednesday
Mostly cloudy, with a high near 58. Southeast wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 42. Southeast wind 7 to 9 mph.
Thursday
A 20 percent chance of rain. Cloudy, with a high near 65.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 46.
Friday
Mostly cloudy, with a high near 67.
Friday Night
A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 49.
Saturday
A 50 percent chance of rain. Cloudy, with a high near 64. Breezy.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
A 20 percent chance of rain. Cloudy, with a high near 59.
Sunday Night
A 20 percent chance of rain. Cloudy, with a low around 46.
Monday
A 20 percent chance of rain. Mostly cloudy, with a high near 65.
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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:
3:05 pm MDT Mar 9, 2026
Forecast Valid:
4pm MDT Mar 9, 2026-6pm MDT Mar 16, 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