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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

37°F

3°C

Humidity 48%
Wind Speed W 17 G 30 mph
Barometer 30.25 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 10 Jan 10:35 am MST
Extended Forecast for

2 Miles SE Saint Onge SD

  • Today

    Today: A 20 percent chance of snow before 1pm. Partly sunny, with a temperature falling to around 37 by 5pm. Breezy, with a west wind 18 to 28 mph, with gusts as high as 44 mph.

    High: 41 °F⇓

    Slight Chance
    Snow and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 37. West wind 16 to 18 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52. Breezy, with a west wind 15 to 21 mph, with gusts as high as 31 mph.

    High: 52 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. West wind around 15 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58. Breezy, with a west wind 17 to 23 mph, with gusts as high as 36 mph.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Windy, with a west wind 24 to 30 mph, with gusts as high as 46 mph.

    Low: 44 °F

    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 53. Windy, with a west wind 24 to 31 mph, with gusts as high as 46 mph.

    High: 53 °F

    Slight Chance
    Rain and
    Windy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 36. Breezy, with a northwest wind around 22 mph, with gusts as high as 36 mph.

    Low: 36 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Breezy.

    High: 50 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
A 20 percent chance of snow before 1pm. Partly sunny, with a temperature falling to around 37 by 5pm. Breezy, with a west wind 18 to 28 mph, with gusts as high as 44 mph.
Tonight
Partly cloudy, with a steady temperature around 37. West wind 16 to 18 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 52. Breezy, with a west wind 15 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 37. West wind around 15 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 58. Breezy, with a west wind 17 to 23 mph, with gusts as high as 36 mph.
Monday Night
Mostly cloudy, with a low around 44. Windy, with a west wind 24 to 30 mph, with gusts as high as 46 mph.
Tuesday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 53. Windy, with a west wind 24 to 31 mph, with gusts as high as 46 mph.
Tuesday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 36. Breezy, with a northwest wind around 22 mph, with gusts as high as 36 mph.
Wednesday
Partly sunny, with a high near 50. Breezy.
Wednesday Night
Mostly clear, with a low around 36. Breezy.
Thursday
Mostly sunny, with a high near 48. Windy.
Thursday Night
A chance of snow. Partly cloudy, with a low around 25. Windy.
Friday
A chance of snow. Partly sunny, with a high near 31. Windy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Saint Onge SD
 44.53°N 103.73°W (Elev. 3533 ft)
Last Update:
10:22 am MST Jan 10, 2026
Forecast Valid:
10am MST Jan 10, 2026-6pm MST Jan 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation