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.

Mostly Cloudy

45°F

7°C

Humidity 66%
Wind Speed NW 9 mph
Barometer 29.92 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 17 May 10:15 pm MDT
Extended Forecast for

Lead SD

  • Tonight

    Tonight: Rain and snow showers likely after 3am, becoming all snow after 5am.  Mostly cloudy, with a low around 30. Northwest wind around 6 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 30 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Snow showers likely.  Cloudy, with a steady temperature around 32. North wind 5 to 7 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight.  Mostly cloudy, with a low around 26. Northwest wind 3 to 6 mph. Winds could gust as high as 21 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of snow showers before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 50. Northwest wind 3 to 5 mph. Winds could gust as high as 17 mph.

    High: 50 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32. Calm wind becoming southwest around 6 mph after midnight. Winds could gust as high as 22 mph.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 8am, then a chance of rain showers.  Mostly sunny, with a high near 61. Southwest wind around 5 mph becoming calm  in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 61 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 58.

    High: 58 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Rain and snow showers likely after 3am, becoming all snow after 5am. Mostly cloudy, with a low around 30. Northwest wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
Snow showers likely. Cloudy, with a steady temperature around 32. North wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 26. Northwest wind 3 to 6 mph. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A 20 percent chance of snow showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 50. Northwest wind 3 to 5 mph. Winds could gust as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 32. Calm wind becoming southwest around 6 mph after midnight. Winds could gust as high as 22 mph.
Wednesday
A slight chance of rain and snow showers before 8am, then a chance of rain showers. Mostly sunny, with a high near 61. Southwest wind around 5 mph becoming calm in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58.
Thursday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 39.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 64.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
8:29 pm MDT May 17, 2026
10pm MDT May 17, 2026-6pm MDT May 24, 2026
 
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Additional Resources

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