Severe Weather and Flash Flooding Potential for the Center of the Nation

An upper level trough coinciding with surface frontal boundaries will focus showers and thunderstorms from the Great Lakes region into the Ohio and Tennessee Valley's, central and southern Plains. Instances of flash flooding, damaging winds and large hail are possible. Meanwhile, increasing waves and rip currents for portions of the eastern seaboard this week as tropical Atlantic is active. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Clear

64°F

18°C

Humidity 42%
Wind Speed W 8 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 22 Sep 11:00 AM MDT
Extended Forecast for

Ontario Municipal OR

  • Today

    Today: Patchy smoke before noon, then patchy smoke after 4pm. Sunny, with a high near 78. North wind around 6 mph.

    High: 78 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 45. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 45 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Areas of smoke before 10am. Sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Areas Smoke
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 46. Light and variable wind.

    Low: 46 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Patchy smoke before noon, then patchy smoke after 4pm. Sunny, with a high near 78. North wind around 6 mph.
Tonight
Patchy smoke. Mostly clear, with a low around 45. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Areas of smoke before 10am. Sunny, with a high near 80. Light and variable wind.
Tuesday Night
Clear, with a low around 46. Light and variable wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 85.
Thursday Night
Clear, with a low around 52.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
3:04 am MDT Sep 22, 2025
11am MDT Sep 22, 2025-6pm MDT Sep 28, 2025
 
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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