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Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Partly Cloudy

2°C

36°F

Humidity 60%
Wind Speed W 20 G 33 km/h
Barometer 30.08 in
Dewpoint -5°C (23°F)
Visibility 16 km
Wind Chill-3°C (27°F)
Last update 13 Dec 5:35 pm MST
Extended Forecast for

Spearfish SD

  • Tonight

    Tonight: A 50 percent chance of snow after 11pm.  Cloudy, with a low around -2. West wind 18 to 23 km/h increasing to 24 to 29 km/h after midnight. Winds could gust as high as 45 km/h.

    Chance Snow

    Low: -2 °C

  • Thursday

    Thursday: Snow, mainly before 11am.  Patchy blowing snow before 1pm. High near 1. Breezy, with a northwest wind 32 to 37 km/h decreasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 50 km/h.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 centimeters possible.

    Snow and
    Patchy
    Blowing Snow

    High: 1 °C

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around -4. West wind 14 to 16 km/h.

    Partly Cloudy

    Low: -4 °C

  • Friday

    Friday: Mostly sunny, with a high near 11. West wind 18 to 23 km/h, with gusts as high as 32 km/h.

    Mostly Sunny

    High: 11 °C

  • Friday
    Night

    Friday Night: Increasing clouds, with a low around 0. West wind 14 to 18 km/h, with gusts as high as 26 km/h.

    Increasing
    Clouds

    Low: 0 °C

  • Saturday

    Saturday: A 40 percent chance of snow.  Mostly cloudy, with a temperature falling to around -2 by 5pm. Northwest wind 16 to 18 km/h, with gusts as high as 26 km/h.

    Chance Snow

    High: 3 °C

  • Saturday
    Night

    Saturday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around -6.

    Chance Snow
    then Partly
    Cloudy

    Low: -6 °C

  • Sunday

    Sunday: Sunny, with a high near 3.

    Sunny

    High: 3 °C

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around -3.

    Partly Cloudy

    Low: -3 °C

Detailed Forecast

Tonight
A 50 percent chance of snow after 11pm. Cloudy, with a low around -2. West wind 18 to 23 km/h increasing to 24 to 29 km/h after midnight. Winds could gust as high as 45 km/h.
Thursday
Snow, mainly before 11am. Patchy blowing snow before 1pm. High near 1. Breezy, with a northwest wind 32 to 37 km/h decreasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 50 km/h. Chance of precipitation is 90%. New snow accumulation of 2 to 4 centimeters possible.
Thursday Night
Partly cloudy, with a low around -4. West wind 14 to 16 km/h.
Friday
Mostly sunny, with a high near 11. West wind 18 to 23 km/h, with gusts as high as 32 km/h.
Friday Night
Increasing clouds, with a low around 0. West wind 14 to 18 km/h, with gusts as high as 26 km/h.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a temperature falling to around -2 by 5pm. Northwest wind 16 to 18 km/h, with gusts as high as 26 km/h.
Saturday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around -6.
Sunday
Sunny, with a high near 3.
Sunday Night
Partly cloudy, with a low around -3.
Monday
A chance of rain and snow between 11am and noon, then a chance of snow after noon. Partly sunny, with a high near 7.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around -3.
Tuesday
A slight chance of snow. Partly sunny, with a high near 5.
Tuesday Night
Mostly cloudy, with a low around -2.
Wednesday
Partly sunny, with a high near 7.
Click Map For Forecast
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 1152 m)
2:16 pm MST Dec 13, 2017
5pm MST Dec 13, 2017-6pm MST Dec 20, 2017
 
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