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

55°F

13°C

Humidity 38%
Wind Speed NW 21 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 11 Oct 06:53 PM MDT
Extended Forecast for

Nyssa OR

  • Tonight

    Tonight: Partly cloudy, with a low around 37. North northwest wind 6 to 16 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 59. West southwest wind 5 to 9 mph becoming north northwest in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 34. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Northwest wind around 9 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 35. North northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 35 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, clear, with a low around 39.

    Low: 39 °F

    Clear then
    Patchy Fog

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. North northwest wind 6 to 16 mph, with gusts as high as 28 mph.
Columbus Day
Mostly sunny, with a high near 59. West southwest wind 5 to 9 mph becoming north northwest in the afternoon.
Monday Night
A slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 34. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 67. Northwest wind around 9 mph.
Tuesday Night
Clear, with a low around 35. North northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Clear, with a low around 38.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 72.
Thursday Night
Patchy fog after 5am. Otherwise, clear, with a low around 39.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 72.
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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:
6:26 pm MDT Oct 11, 2026
Forecast Valid:
7pm MDT Oct 11, 2026-6pm MDT Oct 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