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

45°F

7°C

Humidity 57%
Wind Speed WSW 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 28 Mar 11:53 PM MDT
Extended Forecast for

Ontario Municipal OR

  • Overnight

    Overnight: Partly cloudy, with a low around 37. West northwest wind 5 to 9 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72. South wind 3 to 8 mph.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. West southwest wind 9 to 15 mph becoming north northwest after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain and snow showers before noon. Mostly cloudy, with a high near 55. Northwest wind 14 to 17 mph. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. North northwest wind 6 to 14 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °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

Overnight
Partly cloudy, with a low around 37. West northwest wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 72. South wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 40. West southwest wind 9 to 15 mph becoming north northwest after midnight.
Monday
A slight chance of rain and snow showers before noon. Mostly cloudy, with a high near 55. Northwest wind 14 to 17 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 29. North northwest wind 6 to 14 mph.
Tuesday
Sunny, with a high near 60.
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 60%.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 31.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117.03°W (Elev. 2185 ft)
Last Update:
12:29 pm MDT Mar 28, 2026
Forecast Valid:
12am MDT Mar 29, 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