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.

Mostly Cloudy

42°F

6°C

Humidity 85%
Wind Speed W 3 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 31 Mar 02:53 AM MDT
Extended Forecast for

36 Miles SSE Unity OR

  • Overnight

    Overnight: Showers likely, mainly between 4am and 5am. Mostly cloudy, with a low around 36. South southeast wind 3 to 5 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 53. South wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 10pm, then a slight chance of showers after 5am. Low around 38. West wind 7 to 15 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Showers then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. Snow level 6000 feet rising to 6700 feet in the afternoon. High near 49. Breezy, with a south southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain showers before midnight, then snow showers likely. Some thunder is also possible. Snow level 6600 feet lowering to 5000 feet after midnight . Low around 31. Breezy, with a southwest wind around 25 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Breezy.
    Showers then
    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 41. Breezy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before midnight. Some thunder is also possible. Mostly clear, with a low around 28. Blustery.

    Low: 28 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely, mainly between 4am and 5am. Mostly cloudy, with a low around 36. South southeast wind 3 to 5 mph. Chance of precipitation is 70%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 53. South wind 5 to 15 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 10pm, then a slight chance of showers after 5am. Low around 38. West wind 7 to 15 mph. Chance of precipitation is 80%.
Wednesday
Showers, with thunderstorms also possible after 2pm. Snow level 6000 feet rising to 6700 feet in the afternoon. High near 49. Breezy, with a south southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain showers before midnight, then snow showers likely. Some thunder is also possible. Snow level 6600 feet lowering to 5000 feet after midnight . Low around 31. Breezy, with a southwest wind around 25 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers. Some thunder is also possible. High near 41. Breezy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow showers before midnight. Some thunder is also possible. Mostly clear, with a low around 28. Blustery.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 66.
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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 am MDT Mar 31, 2026
Forecast Valid:
3am MDT Mar 31, 2026-6pm MDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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