Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

Lat: 44.38°NLon: 100.29°WElev: 1742ft.

Fog/Mist

24°F

-4°C

Humidity	100%
Wind Speed	E 3 mph
Barometer	29.81 in (1011.0 mb)
Dewpoint	24°F (-4°C)
Visibility	1.25 mi
Last update	26 Dec 5:53 am CST

More Information:

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

Extended Forecast for

11 Miles W Stephan SD

Today
High: 43 °F
Patchy Fog
Tonight
Low: 40 °F
Mostly Cloudy
Saturday
High: 48 °F
Mostly Sunny
Saturday Night
Low: 10 °F
Slight Chance
Wintry Mix
and Windy
Sunday
High: 16 °F
Partly Sunny
and Windy
Sunday Night
Low: 3 °F
Mostly Clear
and Blustery
Monday
High: 21 °F
Sunny
Monday Night
Low: 15 °F
Partly Cloudy
Tuesday
High: 39 °F
Partly Sunny

Detailed Forecast

Today

Patchy fog between 8am and 2pm. Otherwise, partly sunny, with a high near 43. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

Tonight

Mostly cloudy, with a steady temperature around 40. Southeast wind 10 to 13 mph becoming west after midnight.

Saturday

Mostly sunny, with a high near 48. West wind around 10 mph.

Saturday Night

A slight chance of snow and freezing rain between midnight and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 10. Windy, with a north northwest wind 11 to 16 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

Sunday

Partly sunny, with a high near 16. Windy, with a northwest wind 28 to 31 mph, with gusts as high as 41 mph.

Sunday Night

Mostly clear, with a low around 3. Blustery, with a northwest wind 17 to 26 mph, with gusts as high as 37 mph.

Monday

Sunny, with a high near 21. Northwest wind 9 to 16 mph becoming southwest in the afternoon.

Monday Night

Partly cloudy, with a low around 15. West wind 9 to 15 mph.

Tuesday

Partly sunny, with a high near 39. West wind 14 to 18 mph, with gusts as high as 26 mph.

Tuesday Night

Mostly cloudy, with a low around 12.