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 81%
Wind Speed WSW 9 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 13 Apr 11:35 AM MDT
Extended Forecast for

Ontario Municipal OR

  • Today

    Today: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 56. West southwest wind 6 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 50%.

    High: 56 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm. Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 38. West northwest wind 3 to 6 mph.

    Low: 38 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Southwest wind 5 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after midnight. Increasing clouds, with a low around 44. South wind around 7 mph becoming west after midnight.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 3pm. High near 55. South wind 8 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 3am, then a chance of rain and snow showers. Some thunder is also possible. Low around 32. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of snow showers before noon, then a chance of rain and snow showers between noon and 3pm, then a chance of rain showers after 3pm. Some thunder is also possible. Partly sunny, with a high near 49. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 49 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 56. West southwest wind 6 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 50%.
Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 38. West northwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 61. Southwest wind 5 to 8 mph.
Tuesday Night
A 50 percent chance of showers after midnight. Increasing clouds, with a low around 44. South wind around 7 mph becoming west after midnight.
Wednesday
Showers, with thunderstorms also possible after 3pm. High near 55. South wind 8 to 14 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 3am, then a chance of rain and snow showers. Some thunder is also possible. Low around 32. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
A slight chance of snow showers before noon, then a chance of rain and snow showers between noon and 3pm, then a chance of rain showers after 3pm. Some thunder is also possible. Partly sunny, with a high near 49. Chance of precipitation is 30%. Little or no snow accumulation expected.
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.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 66.
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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:
12:30 am MDT Apr 13, 2026
Forecast Valid:
11am MDT Apr 13, 2026-6pm MDT Apr 19, 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