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

59°F

15°C

Humidity 59%
Wind Speed WNW 20 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 26 May 06:53 PM MDT
Extended Forecast for

Nyssa OR

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52. Northwest wind 5 to 15 mph, with gusts as high as 28 mph.

    Low: 52 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 84. Northwest wind around 5 mph becoming calm.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. South wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Partly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52. Northwest wind 5 to 15 mph, with gusts as high as 28 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 84. Northwest wind around 5 mph becoming calm.
Wednesday Night
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 56. Light and variable wind.
Thursday
Mostly sunny, with a high near 87. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 53. South wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 81.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nyssa OR
 43.88°N 116.97°W (Elev. 2205 ft)
Last Update:
12:29 pm MDT May 26, 2026
Forecast Valid:
7pm MDT May 26, 2026-6pm MDT Jun 2, 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