National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

43°F

6°C

Humidity 56%
Wind Speed WSW 12 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 03 Dec 11:35 AM MST
Extended Forecast for

Ontario Municipal OR

  • Today

    Today: Mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of snow after 11am, mixing with rain after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 37. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    and Patchy
    Fog then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely, mainly before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely
    and Patchy
    Fog then
    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: Rain likely, mainly after 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 42. Calm wind. Chance of precipitation is 60%.

    High: 42 °F

    Rain Likely
    and Patchy
    Fog

  • Friday Night

    Friday Night: Rain likely. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday

    Saturday: Rain likely, mainly before 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: Rain likely, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: A 40 percent chance of rain. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Today
Mostly sunny, with a high near 42. Calm wind.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 24. Calm wind.
Thursday
A chance of snow after 11am, mixing with rain after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 37. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain likely, mainly before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 60%.
Friday
Rain likely, mainly after 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 42. Calm wind. Chance of precipitation is 60%.
Friday Night
Rain likely. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Saturday
Rain likely, mainly before 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Saturday Night
Rain likely, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Sunday
A 40 percent chance of rain. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 48.
Sunday Night
A 40 percent chance of rain. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 34.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 49.
Monday Night
A 20 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 35.
Tuesday
A 30 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
2:04 am MST Dec 3, 2025
Forecast Valid:
11am MST Dec 3, 2025-6pm MST Dec 9, 2025
 
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