Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Overcast

19°F

-7°C

Humidity	86%
Wind Speed	SE 13 mph
Barometer	29.90 in
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Wind Chill	6°F (-14°C)
Last update	10 Dec 11:55 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Gettysburg SD

Winter Weather Advisory until December 11, 06:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until December 11, 06:00pm
NOW until 6:00pm Thu
Winter Weather Advisory
Overnight
Low: 14 °F⇑
Chance Wintry
Mix
Thursday
High: 32 °F
Freezing Rain
then Chance
Freezing Rain
Thursday Night
Low: 5 °F
Chance Wintry
Mix then
Slight Chance
Snow and
Blustery
Friday
High: 12 °F
Mostly Cloudy
and Blustery
then Slight
Chance Snow
Friday Night
Low: -2 °F
Chance Snow
then Snow
Likely
Saturday
High: 3 °F
Chance Snow
then Slight
Chance Snow
Saturday Night
Low: -13 °F
Partly Cloudy
Sunday
High: 22 °F
Mostly Sunny

Detailed Forecast

Overnight

A chance of snow before 3am, then a chance of snow and freezing rain between 3am and 4am, then a chance of freezing rain after 4am. Cloudy, with a temperature rising to around 19 by 4am. Southeast wind 13 to 17 mph. Chance of precipitation is 50%.

Thursday

Freezing rain, mainly before 2pm. High near 32. South southeast wind around 11 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New ice accumulation of around a 0.2 of an inch possible.

Thursday Night

A slight chance of snow and freezing rain before 9pm, then a chance of snow between 9pm and 5am. Cloudy, with a low around 5. Blustery, with a north northwest wind 11 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Friday

A slight chance of snow after noon. Cloudy, with a high near 12. Blustery, with a north northwest wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Friday Night

Snow likely, mainly after midnight. Cloudy, with a low around -2. Northeast wind 9 to 13 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Saturday

A chance of snow, mainly before noon. Partly sunny and cold, with a high near 3. North wind 8 to 11 mph. Chance of precipitation is 50%.

Saturday Night

Partly cloudy, with a low around -13. North wind 7 to 13 mph becoming southeast after midnight.

Sunday

Mostly sunny, with a high near 22. South southeast wind 14 to 18 mph, with gusts as high as 29 mph.

Sunday Night

Partly cloudy, with a low around 12. South southeast wind 10 to 14 mph becoming west northwest after midnight. Winds could gust as high as 22 mph.

Monday

Mostly sunny, with a high near 34.

Monday Night

Partly cloudy, with a low around 19.