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

Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

41°F

5°C

Humidity 46%
Wind Speed SSE 8 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 19 Feb 01:53 PM MST
Extended Forecast for

Ontario Municipal OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 42. East wind around 6 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. North wind around 6 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. East wind 3 to 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Light east wind becoming southeast 6 to 11 mph in the morning.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 42. East wind around 6 mph.
Tonight
Mostly cloudy, with a low around 25. North wind around 6 mph becoming calm in the evening.
Friday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 42. Calm wind.
Friday Night
Partly cloudy, with a low around 24. East wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 48. Light east wind becoming southeast 6 to 11 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 58.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Tuesday
Rain likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 55.
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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:
2:05 am MST Feb 19, 2026
Forecast Valid:
2pm MST Feb 19, 2026-6pm MST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation