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

Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

30°F

-1°C

Humidity 75%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 10 Mar 12:15 am MDT
Extended Forecast for

Nisland SD

  • Overnight

    Overnight: A 30 percent chance of snow. Mostly cloudy, with a low around 27. West wind around 6 mph becoming light and variable.

    Low: 27 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow before 1pm, then snow, possibly mixed with rain between 1pm and 5pm, then snow after 5pm. High near 37. Wind chill values as low as 20. East wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow before 9pm. Low around 25. Wind chill values as low as 14. North wind 6 to 13 mph becoming west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 45. Wind chill values as low as 12 early. Breezy, with a west wind 13 to 23 mph, with gusts as high as 33 mph.

    High: 45 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 60. Windy, with a southwest wind 11 to 21 mph becoming west 24 to 34 mph. Winds could gust as high as 50 mph.

    High: 60 °F

    Partly Sunny
    and Breezy
    then Chance
    Rain and
    Windy

  • Thursday Night

    Thursday Night: Rain and snow likely. Cloudy, with a low around 28. Windy, with a northwest wind 22 to 32 mph decreasing to 10 to 20 mph. Winds could gust as high as 47 mph. Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely and
    Windy

  • Friday

    Friday: Rain and snow likely before noon, then a chance of rain. Mostly cloudy, with a high near 51. West wind 10 to 18 mph becoming east in the afternoon. Winds could gust as high as 26 mph.

    High: 51 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain and snow. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a low around 27. West wind around 6 mph becoming light and variable.
Tuesday
Snow before 1pm, then snow, possibly mixed with rain between 1pm and 5pm, then snow after 5pm. High near 37. Wind chill values as low as 20. East wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow before 9pm. Low around 25. Wind chill values as low as 14. North wind 6 to 13 mph becoming west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Sunny, with a high near 45. Wind chill values as low as 12 early. Breezy, with a west wind 13 to 23 mph, with gusts as high as 33 mph.
Wednesday Night
Mostly cloudy, with a low around 24. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 60. Windy, with a southwest wind 11 to 21 mph becoming west 24 to 34 mph. Winds could gust as high as 50 mph.
Thursday Night
Rain and snow likely. Cloudy, with a low around 28. Windy, with a northwest wind 22 to 32 mph decreasing to 10 to 20 mph. Winds could gust as high as 47 mph. Chance of precipitation is 60%.
Friday
Rain and snow likely before noon, then a chance of rain. Mostly cloudy, with a high near 51. West wind 10 to 18 mph becoming east in the afternoon. Winds could gust as high as 26 mph.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Saturday
A chance of rain and snow before noon, then rain likely. Mostly cloudy, with a high near 49. Breezy.
Saturday Night
Rain and snow. Cloudy, with a low around 14. Blustery.
Sunday
A chance of snow. Mostly cloudy, with a high near 32. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 15.
Monday
A chance of snow. Mostly cloudy, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nisland SD
 44.66°N 103.56°W (Elev. 2897 ft)
Last Update:
10:56 pm MDT Mar 9, 2026
Forecast Valid:
12am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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