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Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Mist

27°F

-3°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.59 in (1035.9 mb)
Dewpoint 26°F (-3°C)
Visibility 2.50 mi
Last update 13 Jan 02:36 AM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory January 13, 02:58am until January 19, 05:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 13, 02:58am until January 19, 05:00am

    NOW until 5:00am Mon

    Air Stagnation Advisory

  • Overnight

    Low: 24 °F

    Areas Fog

  • Tuesday

    Tuesday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 36. Calm wind.

    High: 36 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 38.

    High: 38 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 22.

    Low: 22 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 40.

    High: 40 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
Areas of fog. Otherwise, partly cloudy, with a low around 24. Calm wind.
Tuesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 37. Calm wind.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 25. Calm wind.
Wednesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 36. Calm wind.
Wednesday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 23. Calm wind.
Thursday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 38.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 22.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 40.
Friday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 22.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 41.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 24.
Sunday
Areas of fog. Otherwise, sunny, with a high near 42.
Sunday Night
Mostly clear, with a low around 25.
M.L.King Day
Mostly sunny, with a high near 42.
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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:
2:04 am MST Jan 13, 2026
Forecast Valid:
2am MST Jan 13, 2026-6pm MST Jan 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