Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

43°F

6°C

Humidity 76%
Wind Speed NW 9 mph
Barometer 29.93 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 18 May 2:15 am MDT
Extended Forecast for

3 Miles WNW Belle Fourche Municipal Airport SD

  • Overnight

    Overnight: Cloudy, with a low around 36. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Cloudy

  • Monday

    Monday: Showers.  High near 45. Northwest wind 14 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%.

    High: 45 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 31. West wind 8 to 17 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 59. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32. Southeast wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. South wind 3 to 7 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers, mainly before midnight.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 36. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Monday
Showers. High near 45. Northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 31. West wind 8 to 17 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 59. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 32. Southeast wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 71. South wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 64.
Thursday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 38.
Friday
A slight chance of showers. Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Belle Fourche Municipal Airport SD
 44.74°N 103.87°W (Elev. 3130 ft)
12:42 am MDT May 18, 2026
2am MDT May 18, 2026-6pm MDT May 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database