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

Storm Moving from Western into Central U.S. through Wednesday

A storm system moving over the Rockies Wednesday will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Moderate snow is expected from northwestern Wyoming into southern Montana. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

46°F

8°C

Humidity 70%
Wind Speed NW 12 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 15 Oct 04:53 AM MDT
Extended Forecast for

2 Miles S Ontario Municipal OR

  • Today

    Today: Mostly sunny, with a high near 63. North northwest wind 5 to 7 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. North northwest wind 6 to 9 mph.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy frost between 7am and 9am. Otherwise, sunny, with a high near 65. West northwest wind 6 to 8 mph.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. Light west northwest wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 64 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 63. North northwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 36. North northwest wind 6 to 9 mph.
Thursday
Patchy frost between 7am and 9am. Otherwise, sunny, with a high near 65. West northwest wind 6 to 8 mph.
Thursday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. Light west northwest wind.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 34.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 39.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 64.
Sunday Night
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 36.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Ontario Municipal OR
 44.01°N 117°W (Elev. 2129 ft)
Last Update:
3:04 am MDT Oct 15, 2025
Forecast Valid:
5am MDT Oct 15, 2025-6pm MDT Oct 21, 2025
 
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Additional Resources

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Chance of Precipitation