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

45°F

7°C

Humidity 48%
Wind Speed W 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 13 Oct 01:20 AM MDT
Extended Forecast for

Nyssa OR

Frost Advisory until October 14, 10:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until October 14, 10:00am

    NOW until 10:00am Wed

    Frost Advisory

  • Overnight

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy frost between 7am and 9am. Otherwise, sunny, with a high near 68. Northwest wind 6 to 8 mph.

    High: 68 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 34. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Wednesday

    Wednesday: Areas of frost before 10am. Otherwise, sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 39. Light northwest wind.

    Low: 39 °F

    Clear

  • Thursday

    Thursday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 73.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Friday

    Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 36. Northwest wind around 7 mph.
Tuesday
Patchy frost between 7am and 9am. Otherwise, sunny, with a high near 68. Northwest wind 6 to 8 mph.
Tuesday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 34. North northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Areas of frost before 10am. Otherwise, sunny, with a high near 72. Light and variable wind.
Wednesday Night
Clear, with a low around 39. Light northwest wind.
Thursday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 73.
Thursday Night
Clear, with a low around 38.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 76.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 74.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 40.
Sunday
Patchy fog. Otherwise, sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly 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:
12:29 am MDT Oct 13, 2026
Forecast Valid:
1am MDT Oct 13, 2026-6pm MDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation