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

43°F

6°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 20 Apr 08:53 AM MDT
Extended Forecast for

3 Miles S Nyssa OR

  • Today

    Today: Mostly sunny, with a high near 77. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North northeast wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 47. Breezy, with a north northwest wind 13 to 20 mph becoming west southwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers. High near 57. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 77. Calm wind becoming north northeast around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 45. North northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 76. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon.
Tuesday Night
Showers and possibly a thunderstorm. Low around 47. Breezy, with a north northwest wind 13 to 20 mph becoming west southwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers. High near 57. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. 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 42. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 39.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 39.
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:
3 Miles S Nyssa OR
 43.83°N 116.99°W (Elev. 2211 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