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.

Rain

48°F

9°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 12 Apr 07:53 AM MDT
Extended Forecast for

Ontario Municipal OR

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 56. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 41. Southwest wind 6 to 9 mph becoming southeast in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before noon. Mostly cloudy, with a high near 56. South southwest wind 5 to 9 mph. Chance of precipitation is 70%.

    High: 56 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Northwest wind 5 to 7 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after noon. High near 54. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers likely before 3am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Showers
    Likely then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of snow showers before noon, then a slight chance of rain showers. Mostly sunny, with a high near 50. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 56. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 41. Southwest wind 6 to 9 mph becoming southeast in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Monday
Showers likely, mainly before noon. Mostly cloudy, with a high near 56. South southwest wind 5 to 9 mph. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 38. Northwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 62. West northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 44.
Wednesday
Showers, with thunderstorms also possible after noon. High near 54. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain showers likely before 3am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Thursday
A slight chance of snow showers before noon, then a slight chance of rain showers. Mostly sunny, with a high near 50. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 32.
Saturday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
12:32 am MDT Apr 12, 2026
Forecast Valid:
8am MDT Apr 12, 2026-6pm MDT Apr 18, 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