Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

28°F

-2°C

Humidity 86%
Wind Speed WSW 5 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 28 Feb 02:20 AM MST
Extended Forecast for

Ontario OR

  • Overnight

    Overnight: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 55. Calm wind.

    High: 55 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly after 11pm.  Cloudy, with a low around 41. Light north wind.

    Low: 41 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain.  Cloudy, with a high near 54. Calm wind.

    High: 54 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 11pm.  Patchy fog after 11pm.  Otherwise, cloudy, with a low around 44. Light north northwest wind.  Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely
    and Patchy
    Fog

  • Monday

    Monday: A 40 percent chance of rain, mainly before 11am.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 61.

    High: 61 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Calm wind.
Saturday
Mostly cloudy, with a high near 55. Calm wind.
Saturday Night
A 40 percent chance of rain, mainly after 11pm. Cloudy, with a low around 41. Light north wind.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 54. Calm wind.
Sunday Night
Rain likely, mainly after 11pm. Patchy fog after 11pm. Otherwise, cloudy, with a low around 44. Light north northwest wind. Chance of precipitation is 60%.
Monday
A 40 percent chance of rain, mainly before 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 61.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Rain, mainly after 11am. High near 53. Chance of precipitation is 80%.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
2:27 am MST Feb 28, 2026
2am MST Feb 28, 2026-6pm MST Mar 6, 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