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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.

Mist

43°F

6°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 41°F (5°C)
Visibility 3.00 mi
Last update 08 Feb 10:26 AM MST
Extended Forecast for

Ontario Municipal OR

  • Today

    Today: Rain. Patchy fog before 11am. High near 51. Calm wind. Chance of precipitation is 80%.

    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: Mostly sunny, with a high near 52. West northwest wind around 6 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 26. Northwest wind around 5 mph becoming light and variable in the evening.

    Low: 26 °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: Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 48.

    High: 48 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 28.

    Low: 28 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 47.

    High: 47 °F

    Areas Fog
    then Partly
    Sunny

Detailed Forecast

Today
Rain. Patchy fog before 11am. High near 51. Calm wind. Chance of precipitation is 80%.
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
Mostly sunny, with a high near 52. West northwest wind around 6 mph.
Monday Night
Increasing clouds, with a low around 26. Northwest wind around 5 mph becoming light and variable in the evening.
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
Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 48.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 28.
Thursday
Areas of 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. 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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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
2:06 am MST Feb 8, 2026
Forecast Valid:
10am MST Feb 8, 2026-6pm MST Feb 14, 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