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

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

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

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

Freezing Fog

29°F

-2°C

Humidity 100%
Wind Speed E 13 mph
Barometer 30.04 in (1019.2 mb)
Dewpoint 29°F (-2°C)
Visibility 0.50 mi
Wind Chill19°F (-7°C)
Last update 24 Dec 8:53 pm CST
Extended Forecast for

Pierre SD

Dense Fog Advisory until December 25, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 25, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 28 °F

    Areas Dense
    Freezing Fog

  • Christmas Day

    Christmas Day: Patchy dense fog between 8am and 10am. Areas of dense freezing fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 55. East southeast wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 55 °F

    Areas Dense
    Freezing Fog
    and Patchy
    Dense Fog

  • Thursday Night

    Thursday Night: Patchy fog between 3am and 5am. Otherwise, partly cloudy, with a low around 28. Northwest wind 5 to 8 mph.

    Low: 28 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 49. South southeast wind 3 to 8 mph.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. South southeast wind 7 to 9 mph becoming west southwest after midnight.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. West southwest wind 8 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after midnight. Mostly cloudy, with a low around 11. Blustery, with a north northwest wind 16 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 11 °F

    Blustery.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Sunny, with a high near 19. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 38 mph.

    High: 19 °F

    Sunny and
    Blustery

Detailed Forecast

Tonight
Areas of dense freezing fog. Mostly cloudy, with a low around 28. East wind 10 to 15 mph.
Christmas Day
Patchy dense fog between 8am and 10am. Areas of dense freezing fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 55. East southeast wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Patchy fog between 3am and 5am. Otherwise, partly cloudy, with a low around 28. Northwest wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 49. South southeast wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 33. South southeast wind 7 to 9 mph becoming west southwest after midnight.
Saturday
Mostly sunny, with a high near 50. West southwest wind 8 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 11. Blustery, with a north northwest wind 16 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 19. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 38 mph.
Sunday Night
Mostly clear, with a low around 5. Northwest wind 9 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pierre SD
 44.37°N 100.32°W (Elev. 1699 ft)
Last Update:
8:51 pm CST Dec 24, 2025
Forecast Valid:
9pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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