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

73°F

23°C

Humidity 25%
Wind Speed SSE 10 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 29 Mar 04:20 PM MDT
Extended Forecast for

36 Miles SSE Unity OR

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Breezy, with a west wind 23 to 28 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 39 mph.

    Low: 37 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: A 40 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 45. West wind 9 to 14 mph becoming north in the afternoon. Little or no snow accumulation expected.

    High: 45 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 32. Northeast wind 5 to 10 mph becoming north northwest after midnight. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A chance of snow showers before 3pm, then a chance of rain and snow showers. Partly sunny, with a high near 52. Light and variable wind becoming south southwest 5 to 9 mph in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 52 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Snow level 6300 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 36. West southwest wind 6 to 9 mph.

    Low: 36 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Rain and snow showers likely before noon, then rain showers. Snow level 5500 feet rising to 6400 feet in the afternoon. High near 48. Breezy. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    Likely then
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain showers before midnight, then rain and snow showers likely between midnight and 3am, then snow showers likely after 3am. Snow level 6500 feet lowering to 5000 feet after midnight . Low around 31. Windy. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Windy.
    Showers then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow showers. High near 42. Windy. Chance of precipitation is 80%.

    High: 42 °F

    Snow Showers
    and Windy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 28. Blustery.

    Low: 28 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. Breezy, with a west wind 23 to 28 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 39 mph.
Monday
A 40 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 45. West wind 9 to 14 mph becoming north in the afternoon. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 32. Northeast wind 5 to 10 mph becoming north northwest after midnight. Little or no snow accumulation expected.
Tuesday
A chance of snow showers before 3pm, then a chance of rain and snow showers. Partly sunny, with a high near 52. Light and variable wind becoming south southwest 5 to 9 mph in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
A 50 percent chance of showers. Snow level 6300 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 36. West southwest wind 6 to 9 mph.
Wednesday
Rain and snow showers likely before noon, then rain showers. Snow level 5500 feet rising to 6400 feet in the afternoon. High near 48. Breezy. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain showers before midnight, then rain and snow showers likely between midnight and 3am, then snow showers likely after 3am. Snow level 6500 feet lowering to 5000 feet after midnight . Low around 31. Windy. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers. High near 42. Windy. Chance of precipitation is 80%.
Thursday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 28. Blustery.
Friday
Sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
36 Miles SSE Unity OR
 43.93°N 117.98°W (Elev. 4984 ft)
Last Update:
12:29 pm MDT Mar 29, 2026
Forecast Valid:
4pm MDT Mar 29, 2026-6pm MDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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