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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

21°F

-6°C

Humidity 86%
Wind Speed W 8 mph
Barometer 30.22 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 30 Dec 2:15 am CST
Extended Forecast for

3 Miles N Gettysburg SD

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 23. West wind around 14 mph.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 36. West northwest wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 36 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 28. West wind 10 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph.

    High: 28 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 9. East northeast wind 10 to 13 mph becoming south southeast after midnight.

    Low: 9 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 28. South southeast wind 8 to 11 mph becoming north northwest in the afternoon.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. North northeast wind around 8 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 24. Northeast wind 7 to 9 mph becoming southeast in the afternoon.

    High: 24 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16. Southeast wind 9 to 11 mph.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 23. West wind around 14 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 36. West northwest wind 14 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 19. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 28. West wind 10 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 9. East northeast wind 10 to 13 mph becoming south southeast after midnight.
New Year's Day
Partly sunny, with a high near 28. South southeast wind 8 to 11 mph becoming north northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 15. North northeast wind around 8 mph.
Friday
Mostly cloudy, with a high near 24. Northeast wind 7 to 9 mph becoming southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 16. Southeast wind 9 to 11 mph.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Gettysburg SD
 45.05°N 99.96°W (Elev. 2198 ft)
Last Update:
1:51 am CST Dec 30, 2025
Forecast Valid:
2am CST Dec 30, 2025-6pm CST Jan 5, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation