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

61°F

16°C

Humidity 26%
Wind Speed ESE 8 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 18 Apr 02:25 PM MDT
Extended Forecast for

Ontario Municipal OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. East southeast wind around 10 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. East wind 5 to 7 mph becoming light and variable after midnight.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. North wind around 6 mph becoming calm after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Calm wind becoming southeast around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. East southeast wind around 10 mph.
Tonight
Mostly clear, with a low around 35. East wind 5 to 7 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 69. Calm wind becoming northeast around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 42. North wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 77. Calm wind becoming southeast around 5 mph.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 59.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
12:30 pm MDT Apr 18, 2026
Forecast Valid:
2pm MDT Apr 18, 2026-6pm MDT Apr 24, 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