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

52°F

11°C

Humidity 92%
Wind Speed E 3 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 11 Apr 04:53 AM MDT
Extended Forecast for

36 Miles SSE Unity OR

  • Today

    Today: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 55. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 32 mph.

    High: 55 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm, then showers after midnight. Low around 38. South southwest wind 5 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after noon. High near 46. West southwest wind 5 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 46 °F

    Showers

  • Sunday Night

    Sunday Night: Rain showers likely before midnight, then rain and snow showers likely. Snow level 5900 feet lowering to 5300 feet after midnight . Mostly cloudy, with a low around 35. West southwest wind 9 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain and snow showers likely, becoming all rain after noon. Snow level rising to 5700 feet in the afternoon. Mostly cloudy, with a high near 46. West southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers after midnight. Snow level 6100 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 20%.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Snow showers before 3pm, then rain and snow showers. Snow level 5000 feet. High near 46. Breezy. Chance of precipitation is 80%.

    High: 46 °F

    Breezy. Snow
    Showers
    Likely then
    Rain/Snow

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 55. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 32 mph.
Tonight
Showers likely and possibly a thunderstorm, then showers after midnight. Low around 38. South southwest wind 5 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, with thunderstorms also possible after noon. High near 46. West southwest wind 5 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain showers likely before midnight, then rain and snow showers likely. Snow level 5900 feet lowering to 5300 feet after midnight . Mostly cloudy, with a low around 35. West southwest wind 9 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Rain and snow showers likely, becoming all rain after noon. Snow level rising to 5700 feet in the afternoon. Mostly cloudy, with a high near 46. West southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
A slight chance of rain and snow showers after midnight. Snow level 6100 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 20%.
Wednesday
Snow showers before 3pm, then rain and snow showers. Snow level 5000 feet. High near 46. Breezy. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 28. Breezy.
Thursday
A 20 percent chance of snow showers. Mostly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 49.
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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:
12:30 am MDT Apr 11, 2026
Forecast Valid:
5am MDT Apr 11, 2026-6pm MDT Apr 17, 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