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

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

37°F

3°C

Humidity 45%
Wind Speed W 8 mph
Barometer 30.29 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 3 Nov 2:55 am MST
Extended Forecast for

Lead SD

  • Overnight

    Overnight: Partly cloudy, with a low around 30. Light west wind.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. South wind 3 to 7 mph. Winds could gust as high as 17 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. West wind around 7 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. West wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. Light west wind.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. Light and variable wind becoming southeast around 6 mph in the morning. Winds could gust as high as 17 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 30 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 53. Northwest wind 10 to 14 mph, with gusts as high as 31 mph.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. Light west wind.
Monday
Mostly sunny, with a high near 52. South wind 3 to 7 mph. Winds could gust as high as 17 mph.
Monday Night
Mostly clear, with a low around 44. West wind around 7 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 62. West wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 33. Light west wind.
Wednesday
Partly sunny, with a high near 55. Light and variable wind becoming southeast around 6 mph in the morning. Winds could gust as high as 17 mph.
Wednesday Night
Mostly cloudy, with a low around 44. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 30 mph.
Thursday
Mostly sunny, with a high near 53. Northwest wind 10 to 14 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 34.
Friday
A chance of rain and snow after 5pm. Mostly sunny, with a high near 49.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Saturday
A slight chance of snow. Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
12:31 am MST Nov 3, 2025
Forecast Valid:
3am MST Nov 3, 2025-6pm MST Nov 9, 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