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

Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

50°F

10°C

Humidity 37%
Wind Speed NW 8 mph
Barometer 30.21 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 14 Jan 1:15 pm MST
Extended Forecast for

Spearfish SD

High Wind Watch January 15, 11:00am until January 16, 05:00pm
Click here for hazard details and duration
High Wind Watch

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 51. West wind 5 to 8 mph, with gusts as high as 17 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. West wind 9 to 18 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of rain between 11am and 3pm, then a slight chance of snow after 3pm. Partly sunny, with a temperature rising to near 45 by 11am, then falling to around 34 during the remainder of the day. Breezy, with a west wind 18 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 45 °F⇓

    Breezy.
    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 20. Wind chill values as low as 3. Very windy, with a northwest wind 29 to 34 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 55 mph. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    and Very
    Windy

  • Friday

    Friday: A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 26. Very windy, with a northwest wind 36 to 41 mph decreasing to 28 to 33 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 26 °F

    Chance Snow
    and Very
    Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 12. Blustery, with a northwest wind around 23 mph, with gusts as high as 39 mph.

    Low: 12 °F

    Chance Snow
    and Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 34. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 37 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. Breezy, with a west wind 13 to 22 mph, with gusts as high as 39 mph.

    Low: 24 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Partly sunny, with a high near 41. Breezy.

    High: 41 °F

    Partly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. West wind 5 to 8 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 39. West wind 9 to 18 mph, with gusts as high as 24 mph.
Thursday
A slight chance of rain between 11am and 3pm, then a slight chance of snow after 3pm. Partly sunny, with a temperature rising to near 45 by 11am, then falling to around 34 during the remainder of the day. Breezy, with a west wind 18 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20. Wind chill values as low as 3. Very windy, with a northwest wind 29 to 34 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 55 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 26. Very windy, with a northwest wind 36 to 41 mph decreasing to 28 to 33 mph in the afternoon. Winds could gust as high as 55 mph.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12. Blustery, with a northwest wind around 23 mph, with gusts as high as 39 mph.
Saturday
Mostly sunny, with a high near 34. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 37 mph.
Saturday Night
Partly cloudy, with a low around 24. Breezy, with a west wind 13 to 22 mph, with gusts as high as 39 mph.
Sunday
Partly sunny, with a high near 41. Breezy.
Sunday Night
Mostly cloudy, with a low around 20.
M.L.King Day
Partly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
Last Update:
1:21 pm MST Jan 14, 2026
Forecast Valid:
1pm MST Jan 14, 2026-6pm MST Jan 20, 2026
 
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