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.

Overcast

37°F

3°C

Humidity 86%
Wind Speed S 4 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 07 Mar 03:00 AM MST
Extended Forecast for

3 Miles S Nyssa OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 57. Calm wind becoming east around 6 mph in the afternoon.

    High: 57 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 34. East wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Calm wind becoming north around 5 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. North northeast wind around 8 mph becoming west after midnight.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Calm wind.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 57. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 34. East wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 64. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 39. North northeast wind around 8 mph becoming west after midnight.
Monday
Partly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
A 20 percent chance of rain. Cloudy, with a high near 64. Breezy.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Nyssa OR
 43.83°N 116.99°W (Elev. 2211 ft)
Last Update:
2:04 am MST Mar 7, 2026
Forecast Valid:
3am MST Mar 7, 2026-6pm MDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation