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

Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

39°F

4°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 06 Feb 08:20 PM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory February 6, 08:37pm until February 8, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory February 6, 08:37pm until February 8, 10:00am

    NOW until 10:00am Sun

    Air Stagnation Advisory

  • Tonight

    Low: 31 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers. Cloudy, with a high near 54. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 54 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely. Mostly cloudy, with a low around 37. East wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Light west northwest wind.
Saturday
Mostly sunny, with a high near 53. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers. Cloudy, with a high near 54. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
Showers likely. Mostly cloudy, with a low around 37. East wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 70%.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 30.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117.03°W (Elev. 2185 ft)
Last Update:
2:06 pm MST Feb 6, 2026
Forecast Valid:
8pm MST Feb 6, 2026-6pm MST Feb 13, 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