Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Fair

30°F

-1°C

Humidity	100%
Wind Speed	SE 14 mph
Barometer	29.93 in
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	19°F (-7°C)
Last update	24 Dec 2:15 am CST

More Information:

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

Extended Forecast for

Gettysburg SD

Overnight
Low: 26 °F
Mostly Cloudy
Wednesday
High: 39 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 23 °F
Mostly Cloudy
Christmas Day
High: 41 °F
Mostly Cloudy
Thursday Night
Low: 25 °F
Partly Cloudy
Friday
High: 44 °F
Mostly Sunny
Friday Night
Low: 30 °F
Partly Cloudy
Saturday
High: 42 °F
Sunny then
Mostly Sunny
and Breezy
Saturday Night
Low: 5 °F
Partly Cloudy
and Blustery

Detailed Forecast

Overnight

Mostly cloudy, with a steady temperature around 26. South southeast wind 8 to 13 mph.

Wednesday

Patchy fog before 10am. Otherwise, mostly sunny, with a high near 39. East wind 6 to 10 mph becoming north in the morning.

Wednesday Night

Mostly cloudy, with a low around 23. East northeast wind 10 to 15 mph.

Christmas Day

Mostly cloudy, with a high near 41. East southeast wind 8 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.

Thursday Night

Partly cloudy, with a low around 25. South wind around 10 mph becoming northwest in the evening.

Friday

Mostly sunny, with a high near 44. West northwest wind 8 to 10 mph becoming south southeast in the afternoon.

Friday Night

Partly cloudy, with a low around 30. South southeast wind 9 to 11 mph becoming west southwest after midnight.

Saturday

Sunny, with a high near 42. Breezy, with a northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

Saturday Night

Partly cloudy, with a low around 5. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 36 mph.

Sunday

Sunny, with a high near 12. Blustery.

Sunday Night

Partly cloudy, with a low around 0.

Monday

Mostly sunny, with a high near 21.

Monday Night

Mostly cloudy, with a low around 13.

Tuesday

A slight chance of rain and snow. Mostly sunny, with a high near 37. Chance of precipitation is 20%.