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Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.

Overcast

43°F

6°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 28 Jan 02:55 PM PST
Extended Forecast for

5 Miles SSW Toppenish WA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Cloudy, with a high near 44. East wind around 5 mph.

    High: 44 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A chance of rain before 4am, then rain, possibly mixed with freezing rain. Low around 33. Light south wind. Chance of precipitation is 80%. Little or no ice accumulation expected.

    Low: 33 °F

    Slight Chance
    Rain then
    Rain/Freezing
    Rain

  • Thursday

    Thursday: Rain, possibly mixed with freezing rain before 10am, then a slight chance of rain after 4pm. High near 48. Light and variable wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. Little or no ice accumulation expected.

    High: 48 °F

    Rain/Freezing
    Rain then
    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after 10pm. Cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Chance Rain

  • Friday

    Friday: Cloudy, with a high near 47. Light and variable wind.

    High: 47 °F

    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 46.

    High: 46 °F

    Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 34.

    Low: 34 °F

    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Cloudy, with a high near 44. East wind around 5 mph.
Tonight
A chance of rain before 4am, then rain, possibly mixed with freezing rain. Low around 33. Light south wind. Chance of precipitation is 80%. Little or no ice accumulation expected.
Thursday
Rain, possibly mixed with freezing rain before 10am, then a slight chance of rain after 4pm. High near 48. Light and variable wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. Little or no ice accumulation expected.
Thursday Night
A 30 percent chance of rain, mainly after 10pm. Cloudy, with a low around 36. Calm wind.
Friday
Cloudy, with a high near 47. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Cloudy, with a high near 46.
Saturday Night
Cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Toppenish WA
 46.3°N 120.34°W (Elev. 778 ft)
Last Update:
2:52 pm PST Jan 28, 2026
Forecast Valid:
3pm PST Jan 28, 2026-6pm PST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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