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

3 Miles WSW Lead SD

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 42. Light west wind increasing to 11 to 16 mph. Winds could gust as high as 30 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59. West wind 14 to 18 mph, with gusts as high as 33 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63. West wind around 10 mph, with gusts as high as 28 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. West wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 63. West wind 8 to 10 mph, with gusts as high as 25 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Southwest wind 9 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 42. Light west wind increasing to 11 to 16 mph. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 59. West wind 14 to 18 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 38. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 63. West wind around 10 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 45. West wind 8 to 10 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 63. West wind 8 to 10 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 48. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 67. Southwest wind 9 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 30.
Sunday
A chance of snow, mainly before noon. Partly sunny, with a high near 41.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 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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Chance of Precipitation