National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Clear

60°F

16°C

Humidity 40%
Wind Speed S 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 17 Oct 07:53 PM MDT
Extended Forecast for

3 Miles N Nyssa OR

Frost Advisory October 17, 08:09pm until October 18, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory October 17, 08:09pm until October 18, 09:00am

    NOW until 9:00am Sat

    Frost Advisory

  • Tonight

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy frost between 7am and 9am. Otherwise, sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Light east wind.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers before noon. Partly sunny, with a high near 63. Light and variable wind becoming west 13 to 18 mph in the afternoon.

    High: 63 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. Northwest wind 6 to 15 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Northwest wind 3 to 6 mph.
Saturday
Patchy frost between 7am and 9am. Otherwise, sunny, with a high near 63. Light and variable wind.
Saturday Night
Mostly clear, with a low around 40. Light east wind.
Sunday
A 20 percent chance of showers before noon. Partly sunny, with a high near 63. Light and variable wind becoming west 13 to 18 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 32. Northwest wind 6 to 15 mph.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 40.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Nyssa OR
 43.92°N 116.98°W (Elev. 2139 ft)
Last Update:
3:04 pm MDT Oct 17, 2025
Forecast Valid:
8pm MDT Oct 17, 2025-6pm MDT Oct 24, 2025
 
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