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

46°F

8°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Apr 09:20 AM MDT
Extended Forecast for

2 Miles S Ontario Municipal OR

  • Today

    Today: Mostly sunny, with a high near 77. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. North northeast wind around 6 mph becoming calm after midnight.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 47. Breezy, with a north northwest wind 13 to 21 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers. High near 56. West wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 77. Calm wind becoming north northeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 44. North northeast wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 76. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Tuesday Night
Showers and possibly a thunderstorm. Low around 47. Breezy, with a north northwest wind 13 to 21 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers. High near 56. West wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Ontario Municipal OR
 44.01°N 117°W (Elev. 2129 ft)
Last Update:
12:29 am MDT Apr 20, 2026
Forecast Valid:
9am MDT Apr 20, 2026-6pm MDT Apr 26, 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