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.

Rain

44°F

7°C

Humidity 92%
Wind Speed S 10 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 42°F (6°C)
Visibility 8.00 mi
Wind Chill39°F (4°C)
Last update 12 Apr 11:53 PM MDT
Extended Forecast for

Ontario OR

  • Overnight

    Overnight: Showers. Low around 42. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers

  • Monday

    Monday: Showers, mainly before noon. High near 53. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. North wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 45. Southwest wind around 7 mph becoming south southeast in the evening.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after noon. High near 52. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before midnight. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A chance of snow showers between noon and 3pm, then a chance of rain showers after 3pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers. Low around 42. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, mainly before noon. High near 53. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 34. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 45. Southwest wind around 7 mph becoming south southeast in the evening.
Wednesday
Showers, with thunderstorms also possible after noon. High near 52. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers, mainly before midnight. Low around 32. Chance of precipitation is 80%.
Thursday
A chance of snow showers between noon and 3pm, then a chance of rain showers after 3pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
12:29 pm MDT Apr 12, 2026
Forecast Valid:
12am MDT Apr 13, 2026-6pm MDT Apr 19, 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