Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Mist

28°F

-2°C

Humidity 92%
Wind Speed SW 5 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 27°F (-3°C)
Visibility 5.00 mi
Wind Chill22°F (-6°C)
Last update 02 Feb 01:05 AM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory February 2, 01:15am until February 6, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory February 2, 01:15am until February 6, 11:00am

    NOW until 11:00am Fri

    Air Stagnation Advisory

  • Overnight

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Light northwest wind.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 49.

    High: 49 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 30.

    Low: 30 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 50.

    High: 50 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 29. West northwest wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 49. Calm wind.
Monday Night
Mostly clear, with a low around 30. Light northwest wind.
Tuesday
Mostly sunny, with a high near 51. Calm wind.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 30. Light and variable wind.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 49.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 30.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 50.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 30.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117.03°W (Elev. 2185 ft)
2:05 pm MST Feb 1, 2026
1am MST Feb 2, 2026-6pm MST Feb 8, 2026
 
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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