Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

DW5434 Heppner (D5434)

Lat: 45.24967°NLon: 119.73117°WElev: 2600.0ft.

NA

31°F

-1°C

Humidity 81%
Wind Speed WSW 7 MPH
Barometer 30.53 in (1033.86 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 27 Dec 11:45 PM PST
Extended Forecast for

Ione OR

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 31. Southwest wind around 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 36. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 36 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. Light east wind.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 35.

    High: 35 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 31. Southwest wind around 6 mph.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 36. Calm wind becoming northeast around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 25. Light east wind.
Monday
Mostly sunny, with a high near 34. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 23. Calm wind.
Tuesday
Partly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 25.
New Year's Day
A slight chance of rain after 4pm. Mostly cloudy, with a high near 39.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 30.
Friday
A chance of rain. Mostly cloudy, with a high near 47.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Ione OR
 45.51°N 119.82°W (Elev. 1198 ft)
9:32 pm PST Dec 27, 2025
12am PST Dec 28, 2025-6pm PST Jan 3, 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