Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

light rain,mist

40°F

4°C

Humidity 89%
Wind Speed WSW 5 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 37°F (3°C)
Visibility 5.00 mi
Wind Chill36°F (2°C)
Last update 08 Feb 05:53 AM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory February 8, 06:04am until February 8, 10:00am
Click here for hazard details and duration
...
  •  
    Air Stagnation Advisory February 8, 06:04am until February 8, 10:00am

    NOW until 10:00am Sun

    Air Stagnation Advisory

  • Today

    High: 51 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 36. West wind 7 to 9 mph.

    Low: 36 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 52. West northwest wind around 7 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 27. Northwest wind around 5 mph becoming light and variable.

    Low: 27 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 49. Calm wind becoming east around 5 mph in the afternoon.

    High: 49 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Today
Rain. Patchy fog between 8am and 11am. High near 51. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 20 percent chance of rain before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 36. West wind 7 to 9 mph.
Monday
Sunny, with a high near 52. West northwest wind around 7 mph.
Monday Night
Increasing clouds, with a low around 27. Northwest wind around 5 mph becoming light and variable.
Tuesday
Mostly cloudy, with a high near 49. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 29.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 47.
Thursday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 28.
Friday
A slight chance of rain and snow. Patchy fog. Otherwise, partly sunny, with a high near 45. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117.03°W (Elev. 2185 ft)
2:06 am MST Feb 8, 2026
6am MST Feb 8, 2026-6pm MST Feb 14, 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