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

Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains

A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Overcast

49°F

9°C

Humidity 83%
Wind Speed SW 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 02 Mar 12:24 PM MST
Extended Forecast for

Ontario OR

  • This Afternoon

    This Afternoon: Isolated showers. Cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming north northwest around 6 mph. Chance of precipitation is 20%.

    High: 56 °F

    Isolated
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 34. Light west wind.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. East wind 5 to 8 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after 11am. High near 55. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain before 11pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers. Cloudy, then gradually becoming mostly sunny, with a high near 56. Calm wind becoming north northwest around 6 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 34. Light west wind.
Tuesday
Partly sunny, with a high near 60. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 43. East wind 5 to 8 mph.
Wednesday
Rain, mainly after 11am. High near 55. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of rain before 11pm. Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 38.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
8:13 am MST Mar 2, 2026
Forecast Valid:
12pm MST Mar 2, 2026-6pm MDT Mar 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation