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

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Overcast

43°F

6°C

Humidity 93%
Wind Speed Vrbl 3 mph
Barometer 29.74 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 11 Dec 12:15 am MST
Extended Forecast for

19 Miles SSE Redig SD

  • Overnight

    Overnight: A 30 percent chance of rain, mainly after 5am.  Mostly cloudy, with a temperature rising to around 39 by 3am. West wind around 15 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain, mainly after 11am.  Mostly cloudy, with a high near 48. Breezy, with a northwest wind 20 to 29 mph, with gusts as high as 43 mph.

    High: 48 °F

    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: A chance of rain before 8pm, then a chance of rain and snow between 8pm and 9pm, then a chance of snow after 9pm.  Cloudy, with a low around 14. Wind chill values as low as 1. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 33 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Blustery.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: Snow likely, mainly after 11am.  Cloudy, with a temperature falling to around 14 by 5pm. Wind chill values as low as -1. North wind 13 to 18 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 15 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow.  Low around 6. East wind around 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 6 °F

    Snow

  • Saturday

    Saturday: A 40 percent chance of snow before 11am.  Mostly cloudy, with a high near 12. Northeast wind 11 to 14 mph.  New snow accumulation of less than one inch possible.

    High: 12 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. Southeast wind 13 to 15 mph, with gusts as high as 22 mph.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35. Southeast wind 10 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a temperature rising to around 39 by 3am. West wind around 15 mph, with gusts as high as 23 mph.
Thursday
A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 48. Breezy, with a northwest wind 20 to 29 mph, with gusts as high as 43 mph.
Thursday Night
A chance of rain before 8pm, then a chance of rain and snow between 8pm and 9pm, then a chance of snow after 9pm. Cloudy, with a low around 14. Wind chill values as low as 1. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after 11am. Cloudy, with a temperature falling to around 14 by 5pm. Wind chill values as low as -1. North wind 13 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
Snow. Low around 6. East wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
A 40 percent chance of snow before 11am. Mostly cloudy, with a high near 12. Northeast wind 11 to 14 mph. New snow accumulation of less than one inch possible.
Saturday Night
Partly cloudy, with a low around 3. Southeast wind 13 to 15 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 35. Southeast wind 10 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 22.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 27.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 44. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SSE Redig SD
 45.01°N 103.44°W (Elev. 3238 ft)
11:52 pm MST Dec 10, 2025
12am MST Dec 11, 2025-6pm MST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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