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 >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Mostly Cloudy

41°F

5°C

Humidity 93%
Wind Speed SW 6 mph
Barometer 29.75 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 13 Apr 4:35 am MDT
Extended Forecast for

Spearfish SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Some of the storms could be severe. Mostly sunny, with a high near 68. Breezy, with a south wind 7 to 12 mph becoming southwest 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 68 °F

    Mostly Sunny
    then Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight. Mostly clear, with a low around 40. Southwest wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 62. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 16 mph.

    High: 62 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. North wind around 6 mph becoming south in the evening.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68. Southwest wind 5 to 8 mph becoming northwest in the morning. Winds could gust as high as 17 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Southwest wind 8 to 16 mph, with gusts as high as 28 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers after noon. Mostly sunny, with a high near 66. Breezy, with a southwest wind 17 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph.

    High: 66 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 9pm, then rain and snow showers between 9pm and 3am, then snow showers after 3am. Mostly cloudy, with a low around 26. Blustery, with a northwest wind around 21 mph, with gusts as high as 31 mph.

    Low: 26 °F

    Rain/Snow and
    Blustery

  • Friday

    Friday: Snow showers likely. Mostly cloudy, with a high near 38. Breezy.

    High: 38 °F

    Snow Showers
    Likely and
    Breezy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Some of the storms could be severe. Mostly sunny, with a high near 68. Breezy, with a south wind 7 to 12 mph becoming southwest 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight. Mostly clear, with a low around 40. Southwest wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 62. Southwest wind 6 to 8 mph becoming north in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
Mostly clear, with a low around 41. North wind around 6 mph becoming south in the evening.
Wednesday
Sunny, with a high near 68. Southwest wind 5 to 8 mph becoming northwest in the morning. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 49. Southwest wind 8 to 16 mph, with gusts as high as 28 mph.
Thursday
A 50 percent chance of showers after noon. Mostly sunny, with a high near 66. Breezy, with a southwest wind 17 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph.
Thursday Night
Rain showers before 9pm, then rain and snow showers between 9pm and 3am, then snow showers after 3am. Mostly cloudy, with a low around 26. Blustery, with a northwest wind around 21 mph, with gusts as high as 31 mph.
Friday
Snow showers likely. Mostly cloudy, with a high near 38. Breezy.
Friday Night
A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. Blustery.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.5°N 103.85°W (Elev. 3911 ft)
Last Update:
3:38 am MDT Apr 13, 2026
Forecast Valid:
4am MDT Apr 13, 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