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

32°F

0°C

Humidity 64%
Wind Speed E 13 mph
Barometer 29.83 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 9 Mar 8:15 pm MDT
Extended Forecast for

2 Miles SE Saint Onge SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. North wind 9 to 14 mph becoming light and variable. Winds could gust as high as 21 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely before 2pm, then snow likely, possibly mixed with rain between 2pm and 3pm, then snow likely after 3pm. Cloudy, with a high near 38. Southeast wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Snow, mainly before midnight. Low around 23. Wind chill values as low as 13. North wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 23 °F

    Snow then
    Chance Snow

  • Wednesday

    Wednesday: Sunny, with a high near 42. Wind chill values as low as 15. Breezy, with a west wind 13 to 21 mph, with gusts as high as 32 mph.

    High: 42 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 58. Windy, with a west wind 16 to 21 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 58 °F

    Partly Sunny
    and Breezy
    then Chance
    Rain and
    Windy

  • Thursday Night

    Thursday Night: Rain and snow likely. Cloudy, with a low around 30. Windy, with a northwest wind 20 to 30 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%.

    Low: 30 °F

    Rain/Snow
    Likely and
    Windy

  • Friday

    Friday: Snow likely before noon, then a chance of rain. Mostly cloudy, with a high near 51. West wind 9 to 16 mph becoming east in the morning. Winds could gust as high as 26 mph.

    High: 51 °F

    Snow Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain and snow. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 28. North wind 9 to 14 mph becoming light and variable. Winds could gust as high as 21 mph.
Tuesday
Snow likely before 2pm, then snow likely, possibly mixed with rain between 2pm and 3pm, then snow likely after 3pm. Cloudy, with a high near 38. Southeast wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow, mainly before midnight. Low around 23. Wind chill values as low as 13. North wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday
Sunny, with a high near 42. Wind chill values as low as 15. Breezy, with a west wind 13 to 21 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Thursday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 58. Windy, with a west wind 16 to 21 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 48 mph.
Thursday Night
Rain and snow likely. Cloudy, with a low around 30. Windy, with a northwest wind 20 to 30 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%.
Friday
Snow likely before noon, then a chance of rain. Mostly cloudy, with a high near 51. West wind 9 to 16 mph becoming east in the morning. Winds could gust as high as 26 mph.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Saturday
A chance of rain and snow before noon, then rain likely. Mostly cloudy, with a high near 52. Breezy.
Saturday Night
Rain and snow. Cloudy, with a low around 18. Blustery.
Sunday
A chance of snow. Mostly cloudy, with a high near 31. Blustery.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 19.
Monday
A chance of snow. Mostly cloudy, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Saint Onge SD
 44.53°N 103.73°W (Elev. 3533 ft)
Last Update:
7:07 pm MDT Mar 9, 2026
Forecast Valid:
8pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
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