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

Fire Weather Concerns and Severe Thunderstorms through the Weekend

Dry and windy conditions, and some dry thunderstorms and lightning, may support hazardous fire activity in the northern Plains, high southern Plains and the Southwest this weekend. An active severe weather pattern is forecast for portions of the central and southern High Plains into the Upper Midwest through early the part of next week. Damaging winds, large hail, and tornadoes are possible. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

70°F

21°C

Humidity 23%
Wind Speed NW 16 G 30 mph
Barometer 29.85 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 May 12:55 pm MDT
Extended Forecast for

Lead SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. West wind 6 to 8 mph, with gusts as high as 22 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72. South wind 3 to 8 mph. Winds could gust as high as 23 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 43. South wind around 6 mph becoming light and variable. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 55. Northwest wind 5 to 9 mph, with gusts as high as 29 mph.

    High: 55 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Rain showers likely before 1am, then rain and snow showers likely between 1am and 5am, then snow showers likely after 5am. Mostly cloudy, with a low around 30. Northwest wind 6 to 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Monday

    Monday: Snow showers. High near 34. Chance of precipitation is 90%.

    High: 34 °F

    Snow Showers

  • Monday Night

    Monday Night: Snow showers likely. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: A chance of snow showers before 3pm, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 45.

    High: 45 °F

    Chance Snow
    Showers then
    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 67. West wind 6 to 8 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 40. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Saturday
Mostly sunny, with a high near 72. South wind 3 to 8 mph. Winds could gust as high as 23 mph.
Saturday Night
Showers likely, mainly after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 43. South wind around 6 mph becoming light and variable. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 55. Northwest wind 5 to 9 mph, with gusts as high as 29 mph.
Sunday Night
Rain showers likely before 1am, then rain and snow showers likely between 1am and 5am, then snow showers likely after 5am. Mostly cloudy, with a low around 30. Northwest wind 6 to 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Snow showers. High near 34. Chance of precipitation is 90%.
Monday Night
Snow showers likely. Mostly cloudy, with a low around 27.
Tuesday
A chance of snow showers before 3pm, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
12:37 pm MDT May 15, 2026
Forecast Valid:
1pm MDT May 15, 2026-6pm MDT May 21, 2026
 
Forecast Discussion
 
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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