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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Mostly Cloudy

50°F

10°C

Humidity 50%
Wind Speed W 10 mph
Barometer 29.95 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Mar 3:35 am MDT
Extended Forecast for

6 Miles WSW Lead SD

  • Overnight

    Overnight: Partly cloudy, with a low around 35. West wind 3 to 8 mph. Winds could gust as high as 22 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. West wind 7 to 16 mph, with gusts as high as 31 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Northwest wind 9 to 14 mph becoming light in the evening. Winds could gust as high as 26 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 68. Calm wind becoming northwest 5 to 7 mph. Winds could gust as high as 23 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Calm wind. Winds could gust as high as 16 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. West wind 3 to 8 mph. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 65. West wind 7 to 16 mph, with gusts as high as 31 mph.
Wednesday Night
Mostly clear, with a low around 37. Northwest wind 9 to 14 mph becoming light in the evening. Winds could gust as high as 26 mph.
Thursday
Mostly sunny, with a high near 69. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Friday
Sunny, with a high near 68. Calm wind becoming northwest 5 to 7 mph. Winds could gust as high as 23 mph.
Friday Night
Mostly clear, with a low around 46. Calm wind. Winds could gust as high as 16 mph.
Saturday
Mostly sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Sunday
A chance of snow, mainly before noon. Partly sunny, with a high near 45.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Lead SD
 44.33°N 103.89°W (Elev. 5197 ft)
Last Update:
3:37 am MDT Mar 18, 2026
Forecast Valid:
3am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation