Very Cold Temperatures from the Northern Plains to Ohio Valley; Swath of Snow from the Midwest to Central Appalachians

Arctic air will bring very cold temperatures and dangerous wind chills from the Northern Plains to the Ohio Valley today, expanding into the Mid-South and Mid-Atlantic on Sunday. A swath of accumulating snow is expected today from the Midwest to Central Appalachians, expanding into portions of the Mid-Atlantic tonight into Sunday. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Mist

28°F

-2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 25°F (-4°C)
Visibility 5.00 mi
Last update 14 Dec 10:35 AM MST
Extended Forecast for

26 Miles WSW Vale OR

Air Stagnation Advisory December 14, 10:50am until December 16, 05:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory December 14, 10:50am until December 16, 05:00am

    NOW until 5:00am Tue

    Air Stagnation Advisory

  • Today

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am.  Mostly cloudy, with a high near 44. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 44 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 38. East northeast wind around 6 mph becoming west southwest after midnight.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 53. Southwest wind 6 to 13 mph.

    High: 53 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 40. Breezy.  Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Rain likely before 11am.  Mostly sunny, with a high near 50. Breezy.  Chance of precipitation is 60%.

    High: 50 °F

    Breezy. Rain
    Likely then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, possibly mixed with rain, mainly after 5am.  Snow level 3200 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Today
Sunny, with a high near 46. Light east northeast wind.
Tonight
Partly cloudy, with a low around 32. Calm wind.
Monday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 44. Light and variable wind becoming east around 5 mph in the afternoon.
Monday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 38. East northeast wind around 6 mph becoming west southwest after midnight.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 53. Southwest wind 6 to 13 mph.
Tuesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 70%.
Wednesday
Rain likely before 11am. Mostly sunny, with a high near 50. Breezy. Chance of precipitation is 60%.
Wednesday Night
Snow likely, possibly mixed with rain, mainly after 5am. Snow level 3200 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Thursday
Rain and snow likely before 8am, then rain. Snow level 3200 feet rising to 5600 feet in the afternoon. High near 42. Chance of precipitation is 80%.
Thursday Night
Rain. Low around 36. Breezy. Chance of precipitation is 80%.
Friday
Rain likely. Mostly cloudy, with a high near 50. Breezy. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow. Snow level 5100 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Snow level 3400 feet. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
26 Miles WSW Vale OR
 43.8°N 117.68°W (Elev. 2753 ft)
2:04 am MST Dec 14, 2025
10am MST Dec 14, 2025-6pm MST Dec 20, 2025
 
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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