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

Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along the Northeastern Seaboard. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair and Breezy

9°F

-13°C

Humidity 78%
Wind Speed SE 22 mph
Barometer 30.34 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 23 Feb 8:55 am CST
Extended Forecast for

Seneca SD

  • Today

    Today: Patchy blowing snow between 10am and 4pm. Increasing clouds, with a high near 36. Breezy, with a south wind 14 to 22 mph, with gusts as high as 31 mph.

    High: 36 °F

    Patchy
    Blowing Snow
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Breezy, with a south wind 11 to 21 mph becoming west after midnight. Winds could gust as high as 31 mph.

    Low: 26 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41. Breezy, with a northwest wind 17 to 26 mph, with gusts as high as 36 mph.

    High: 41 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13. Northwest wind 7 to 14 mph becoming east after midnight.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 32. Southeast wind 7 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A slight chance of snow before midnight. Partly cloudy, with a low around 20. Southeast wind 10 to 15 mph becoming west northwest after midnight. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50. Breezy, with a west wind 15 to 23 mph, with gusts as high as 33 mph.

    High: 50 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Breezy, with a west southwest wind 15 to 21 mph, with gusts as high as 29 mph.

    Low: 31 °F

    Mostly Clear
    then Partly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 50. Windy, with a west wind 22 to 30 mph becoming north in the afternoon.

    High: 50 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Today
Patchy blowing snow between 10am and 4pm. Increasing clouds, with a high near 36. Breezy, with a south wind 14 to 22 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 26. Breezy, with a south wind 11 to 21 mph becoming west after midnight. Winds could gust as high as 31 mph.
Tuesday
Partly sunny, with a high near 41. Breezy, with a northwest wind 17 to 26 mph, with gusts as high as 36 mph.
Tuesday Night
Mostly clear, with a low around 13. Northwest wind 7 to 14 mph becoming east after midnight.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 32. Southeast wind 7 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 20. Southeast wind 10 to 15 mph becoming west northwest after midnight. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 50. Breezy, with a west wind 15 to 23 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 31. Breezy, with a west southwest wind 15 to 21 mph, with gusts as high as 29 mph.
Friday
Mostly sunny, with a high near 50. Windy, with a west wind 22 to 30 mph becoming north in the afternoon.
Friday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 9. Blustery. Chance of precipitation is 30%.
Saturday
A slight chance of snow. Partly sunny, with a high near 21. Chance of precipitation is 20%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 4. Chance of precipitation is 20%.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seneca SD
 45.06°N 99.51°W (Elev. 1893 ft)
Last Update:
8:36 am CST Feb 23, 2026
Forecast Valid:
9am CST Feb 23, 2026-6pm CST Mar 1, 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