National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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 S 4 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Nov 09:20 PM MST
Extended Forecast for

15 Miles SSE Richland OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow showers before 2pm, then a chance of rain showers. Snow level rising to 6200 feet in the afternoon. Mostly cloudy, with a temperature falling to around 34 by 2pm. South southeast wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 39 °F⇓

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Showers. Temperature rising to around 39 by 11pm. East southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F⇑

    Showers

  • Monday

    Monday: Showers. Snow level 6000 feet. High near 39. East southeast wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Showers

  • Monday Night

    Monday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 11pm, then a slight chance of snow showers after 11pm. Mostly cloudy, with a low around 28. North northwest wind 3 to 7 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers likely, mainly after 11am. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 31. Chance of precipitation is 60%.

    High: 31 °F

    Snow Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Snow showers. Patchy fog before 7pm. Low around 28. Chance of precipitation is 80%.

    Low: 28 °F

    Snow Showers
    and Patchy
    Fog

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. South southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
A slight chance of rain and snow showers before 2pm, then a chance of rain showers. Snow level rising to 6200 feet in the afternoon. Mostly cloudy, with a temperature falling to around 34 by 2pm. South southeast wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Showers. Temperature rising to around 39 by 11pm. East southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers. Snow level 6000 feet. High near 39. East southeast wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 11pm, then a slight chance of snow showers after 11pm. Mostly cloudy, with a low around 28. North northwest wind 3 to 7 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Snow showers likely, mainly after 11am. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Wednesday Night
Snow showers. Patchy fog before 7pm. Low around 28. Chance of precipitation is 80%.
Thursday
A 40 percent chance of snow showers. Patchy fog after 2pm. Otherwise, mostly cloudy, with a high near 31.
Thursday Night
A 30 percent chance of snow showers. Patchy fog. Otherwise, mostly cloudy, with a low around 27.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A 30 percent chance of snow showers. Patchy fog. Otherwise, partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Richland OR
 44.59°N 117.01°W (Elev. 5367 ft)
Last Update:
11:30 am MST Nov 14, 2026
Forecast Valid:
9pm MST Nov 14, 2026-6pm MST Nov 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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