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

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Mostly Cloudy and Breezy

52°F

11°C

Humidity 94%
Wind Speed E 21 mph
Barometer 29.94 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 15 Oct 4:15 pm MDT
Extended Forecast for

Deadwood SD

  • This Afternoon

    This Afternoon: Areas of drizzle. Patchy fog. Otherwise, cloudy, with a high near 56. Southeast wind around 8 mph, with gusts as high as 21 mph.

    High: 56 °F

    Areas Drizzle
    and Patchy
    Fog

  • Tonight

    Tonight: Areas of drizzle before 9pm, then showers likely and possibly a thunderstorm between 9pm and 3am, then a chance of showers and thunderstorms after 3am. Areas of fog. Otherwise, cloudy, with a low around 44. Southeast wind 5 to 8 mph becoming calm. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely and
    Areas Fog

  • Thursday

    Thursday: Showers likely. Cloudy, with a high near 52. West wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 52 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 38. West wind 11 to 14 mph, with gusts as high as 32 mph.

    Low: 38 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. West wind 11 to 15 mph, with gusts as high as 30 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain after midnight, mixing with snow after 4am. Mostly cloudy, with a low around 33. West wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 11am, then a chance of rain between 11am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 45. Northwest wind 11 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Northwest wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Areas of drizzle. Patchy fog. Otherwise, cloudy, with a high near 56. Southeast wind around 8 mph, with gusts as high as 21 mph.
Tonight
Areas of drizzle before 9pm, then showers likely and possibly a thunderstorm between 9pm and 3am, then a chance of showers and thunderstorms after 3am. Areas of fog. Otherwise, cloudy, with a low around 44. Southeast wind 5 to 8 mph becoming calm. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Thursday
Showers likely. Cloudy, with a high near 52. West wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 38. West wind 11 to 14 mph, with gusts as high as 32 mph.
Friday
Mostly sunny, with a high near 57. West wind 11 to 15 mph, with gusts as high as 30 mph.
Friday Night
A chance of rain after midnight, mixing with snow after 4am. Mostly cloudy, with a low around 33. West wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 11am, then a chance of rain between 11am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 45. Northwest wind 11 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 30. Northwest wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 63.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 40.
Monday
A chance of rain. Mostly sunny, with a high near 54.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deadwood SD
 44.38°N 103.72°W (Elev. 4905 ft)
Last Update:
3:21 pm MDT Oct 15, 2025
Forecast Valid:
4pm MDT Oct 15, 2025-6pm MDT Oct 22, 2025
 
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