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

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

44°F

7°C

Humidity 48%
Wind Speed W 9 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 13 Oct 02:53 AM MDT
Extended Forecast for

Ontario Municipal OR

Frost Advisory until October 14, 10:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until October 14, 10:00am

    NOW until 10:00am Wed

    Frost Advisory

  • Overnight

    Low: 35 °F

    Clear

  • Tuesday

    Tuesday: Patchy frost before 10am. Otherwise, sunny, with a high near 68. Northwest wind around 8 mph.

    High: 68 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 33. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 72. Light northwest wind.

    High: 72 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38. Calm wind becoming north northwest around 5 mph.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 35. Northwest wind around 8 mph.
Tuesday
Patchy frost before 10am. Otherwise, sunny, with a high near 68. Northwest wind around 8 mph.
Tuesday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 33. North northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 72. Light northwest wind.
Wednesday Night
Clear, with a low around 38. Calm wind becoming north northwest around 5 mph.
Thursday
Sunny, with a high near 72.
Thursday Night
Clear, with a low around 37.
Friday
Sunny, with a high near 75.
Friday Night
Clear, with a low around 40.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
12:29 am MDT Oct 13, 2026
Forecast Valid:
3am MDT Oct 13, 2026-6pm MDT Oct 19, 2026
 
Forecast Discussion
 
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