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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Mostly Cloudy

52°F

11°C

Humidity 77%
Wind Speed SE 8 mph
Barometer 29.73 in
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Wind Chill49°F (9°C)
Last update 12 Apr 9:35 pm MDT
Extended Forecast for

Spearfish SD

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48. Southeast wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69. Breezy, with a southwest wind 8 to 13 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 69 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Southwest wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 25 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 63. West wind around 7 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. North wind around 6 mph becoming south after midnight.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Southwest wind 6 to 8 mph becoming west in the morning. Winds could gust as high as 17 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. South wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after noon. Mostly sunny, with a high near 65. Southwest wind 14 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 65 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 9pm, then rain and snow showers between 9pm and midnight, then snow showers likely after midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Rain/Snow
    then Snow
    Showers
    Likely

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48. Southeast wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Monday
Mostly sunny, with a high near 69. Breezy, with a southwest wind 8 to 13 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Partly cloudy, with a low around 42. Southwest wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 25 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 63. West wind around 7 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 43. North wind around 6 mph becoming south after midnight.
Wednesday
Mostly sunny, with a high near 69. Southwest wind 6 to 8 mph becoming west in the morning. Winds could gust as high as 17 mph.
Wednesday Night
Partly cloudy, with a low around 48. South wind 8 to 14 mph, with gusts as high as 25 mph.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 65. Southwest wind 14 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Thursday Night
Rain showers before 9pm, then rain and snow showers between 9pm and midnight, then snow showers likely after midnight. Mostly cloudy, with a low around 26.
Friday
Snow showers likely. Mostly cloudy, with a high near 39. Breezy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 25.
Saturday
A chance of snow showers. Mostly sunny, with a high near 47.
Saturday Night
A slight chance of snow showers. Partly cloudy, with a low around 31.
Sunday
Sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
Last Update:
8:12 pm MDT Apr 12, 2026
Forecast Valid:
9pm MDT Apr 12, 2026-6pm MDT Apr 19, 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