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 >

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

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

Fair

28°F

-2°C

Humidity 96%
Wind Speed NW 8 mph
Barometer 29.97 in (1016.6 mb)
Dewpoint 27°F (-3°C)
Visibility 9.00 mi
Wind Chill20°F (-7°C)
Last update 24 Dec 8:53 am CST
Extended Forecast for

Pierre SD

  • Today

    Today: Mostly sunny, with a high near 44. North wind 5 to 8 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 8pm.  Otherwise, mostly cloudy, with a low around 28. Northeast wind 7 to 13 mph becoming east southeast after midnight.

    Low: 28 °F

    Patchy Fog

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 52. East southeast wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 29. South southwest wind 5 to 10 mph becoming west northwest in the evening.

    Low: 29 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 50. West northwest wind 5 to 8 mph becoming southeast in the morning.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Southeast wind 8 to 10 mph becoming west after midnight.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 48 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 9. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 32 mph.

    Low: 9 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 19. Blustery, with a northwest wind 16 to 23 mph, with gusts as high as 33 mph.

    High: 19 °F

    Sunny and
    Blustery

Detailed Forecast

Today
Mostly sunny, with a high near 44. North wind 5 to 8 mph.
Tonight
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 28. Northeast wind 7 to 13 mph becoming east southeast after midnight.
Christmas Day
Partly sunny, with a high near 52. East southeast wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 29. South southwest wind 5 to 10 mph becoming west northwest in the evening.
Friday
Mostly sunny, with a high near 50. West northwest wind 5 to 8 mph becoming southeast in the morning.
Friday Night
Partly cloudy, with a low around 35. Southeast wind 8 to 10 mph becoming west after midnight.
Saturday
Mostly sunny, with a high near 48. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 9. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 19. Blustery, with a northwest wind 16 to 23 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 42. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Pierre SD
 44.37°N 100.32°W (Elev. 1699 ft)
8:37 am CST Dec 24, 2025
9am CST Dec 24, 2025-6pm CST Dec 30, 2025
 
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Additional Resources

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