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

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

81°F

27°C

Humidity 24%
Wind Speed NW 13 G 20 mph
Barometer 30.26 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 25 Aug 12:35 pm MDT
Extended Forecast for

2 Miles SSW Spearfish SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. North wind around 8 mph, with gusts as high as 18 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. North wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming north around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Northeast wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 67. Southeast wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 25 mph.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. North wind around 8 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 57. North wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Wednesday
Sunny, with a high near 83. Calm wind becoming north around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 60. Northeast wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Thursday
Mostly sunny, with a high near 87. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 67. Southeast wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 25 mph.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly cloudy, with a low around 67.
Saturday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Spearfish SD
 44.46°N 103.84°W (Elev. 4229 ft)
Last Update:
12:46 pm MDT Aug 25, 2026
Forecast Valid:
12pm MDT Aug 25, 2026-6pm MDT Aug 31, 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