Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Mist

30°F

-1°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 28°F (-2°C)
Visibility 4.00 mi
Last update 01 Feb 02:20 AM MST
Extended Forecast for

Nyssa OR

Air Stagnation Advisory February 1, 02:32am until February 6, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory February 1, 02:32am until February 6, 11:00am

    NOW until 11:00am Fri

    Air Stagnation Advisory

  • Overnight

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 48.

    High: 48 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 50.

    High: 50 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. Calm wind.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 50. Calm wind.
Sunday Night
Partly cloudy, with a low around 29. Calm wind.
Monday
Mostly sunny, with a high near 50. Calm wind.
Monday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 31. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 50.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 50.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 31.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Nyssa OR
 43.88°N 116.97°W (Elev. 2205 ft)
2:05 am MST Feb 1, 2026
2am MST Feb 1, 2026-6pm MST Feb 7, 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