Areas of Showers and Thunderstorms to Start the Work Week
Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >
Current conditions at
Spearfish / Clyde Ice (KSPF)
Lat: 44.48°NLon: 103.78°WElev: 3898ft.
Overcast
54°F
12°C
| Humidity | 100% |
| Wind Speed | E 7 mph |
| Barometer | 30.19 in |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 20 Sep 10:55 pm MDT |
Extended Forecast for
Lead SD
Tonight
Low: 44 °F
Showers and
Areas FogMonday
High: 57 °F
Chance
Showers and
FogMonday Night
Low: 43 °F
Chance
Showers then
Mostly ClearTuesday
High: 68 °F
Sunny
Tuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 72 °F
Slight Chance
Showers then
Slight Chance
T-stormsWednesday Night
Low: 50 °F
Partly Cloudy
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 52 °F
Partly Cloudy
Detailed Forecast
Tonight
Showers, mainly before midnight. Areas of fog. Low around 44. Calm wind. Chance of precipitation is 90%.
Monday
A 50 percent chance of showers, mainly after noon. Widespread fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 57. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Monday Night
A 40 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. South wind 5 to 7 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 68. Southeast wind around 7 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 52. South wind 5 to 9 mph, with gusts as high as 26 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 72. Southwest wind around 6 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 68.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Lead SD
44.35°N 103.77°W (Elev. 5322 ft)
44.35°N 103.77°W (Elev. 5322 ft)
10:41 pm MDT Sep 20, 2026
11pm MDT Sep 20, 2026-6pm MDT Sep 27, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
