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

59°F

15°C

Humidity 44%
Wind Speed NNE 4 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 12 Nov 01:35 PM MST
Extended Forecast for

Nyssa OR

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Calm wind becoming north northeast around 6 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 64. Light and variable wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 64 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Showers, mainly before midnight. Low around 40. South southwest wind 6 to 10 mph. Chance of precipitation is 90%.

    Low: 40 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Southwest wind 7 to 10 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 61. Light and variable wind.
Tonight
Mostly cloudy, with a low around 36. Calm wind becoming north northeast around 6 mph after midnight.
Friday
Increasing clouds, with a high near 64. Light and variable wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
Showers, mainly before midnight. Low around 40. South southwest wind 6 to 10 mph. Chance of precipitation is 90%.
Saturday
Mostly sunny, with a high near 59. Southwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 58.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 38.
Monday
A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 53.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 34.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
A chance of rain and snow showers. Patchy fog. Otherwise, partly sunny, with a high near 49. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nyssa OR
 43.88°N 117°W (Elev. 2110 ft)
Last Update:
11:32 am MST Nov 12, 2026
Forecast Valid:
1pm MST Nov 12, 2026-6pm MST Nov 18, 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