Strong Storm Systems Impacting Both Costs

The storm system on the East Coast is bringing widespread rain to the Mid-Atlantic and the Northeast. Freezing rain and snow is possible in interior, southern New England. A powerful Pacific storm system will bring heavy rain, high elevation snow, gusty winds, and extremely rough surf to the Pacific Northwest and northern California. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185ft.

Fair

33°F

1°C

Humidity 85%
Wind Speed W 3 MPH
Barometer 30.18 in (1024.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 16 Dec 9:53 am MST
Extended Forecast for

Ontario ORSimilar City Names

  • Today

    Today: A slight chance of rain and snow after 11am.  Increasing clouds, with a high near 42. Light and variable wind.  Chance of precipitation is 20%.

    Slight Chance
    Rain/Snow

    High: 42 °F

  • Tonight

    Tonight: Rain likely, mainly after 11pm.  Cloudy, with a low around 34. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 70%.

    Rain Likely

    Low: 34 °F

  • Monday

    Monday: Rain likely before 11am.  Mostly cloudy, with a high near 46. Calm wind.  Chance of precipitation is 60%.

    Rain Likely
    then Partly
    Sunny

    High: 46 °F

  • Monday
    Night

    Monday Night: Rain after 11pm.  Low around 35. Southeast wind 3 to 5 mph.  Chance of precipitation is 80%.

    Rain

    Low: 35 °F

  • Tuesday

    Tuesday: Rain.  High near 44. South southeast wind 3 to 6 mph.  Chance of precipitation is 90%.

    Rain

    High: 44 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 34.

    Chance Rain
    then Mostly
    Cloudy

    Low: 34 °F

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 44.

    Mostly Cloudy

    High: 44 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Mostly Cloudy

    Low: 30 °F

  • Thursday

    Thursday: Partly sunny, with a high near 43.

    Partly Sunny

    High: 43 °F

Detailed Forecast

Today
A slight chance of rain and snow after 11am. Increasing clouds, with a high near 42. Light and variable wind. Chance of precipitation is 20%.
Tonight
Rain likely, mainly after 11pm. Cloudy, with a low around 34. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%.
Monday
Rain likely before 11am. Mostly cloudy, with a high near 46. Calm wind. Chance of precipitation is 60%.
Monday Night
Rain after 11pm. Low around 35. Southeast wind 3 to 5 mph. Chance of precipitation is 80%.
Tuesday
Rain. High near 44. South southeast wind 3 to 6 mph. Chance of precipitation is 90%.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 43.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 29.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 40.
Click Map For Forecast
Point Forecast:
Ontario ORSimilar City Names
 44.03°N 116.97°W (Elev. 2103 ft)
8:49 am MST Dec 16, 2018
10am MST Dec 16, 2018-6pm MST Dec 22, 2018
 
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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