
Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam
Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >
Current conditions at
Spearfish / Clyde Ice (KSPF)
Lat: 44.48°NLon: 103.78°WElev: 3898ft.
Fair
50°F
10°C
| Humidity | 40% |
| Wind Speed | SW 7 mph |
| Barometer | 30.10 in |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 47°F (8°C) |
| Last update | 18 Oct 5:35 am MDT |
Extended Forecast for
Lead SD
Today

High: 59 °F
Sunny
Tonight

Low: 39 °F
Mostly Clear
Monday

High: 62 °F
Sunny
Monday Night

Low: 45 °F
Mostly Clear
Tuesday

High: 69 °F
Sunny
Tuesday Night

Low: 45 °F
Mostly Clear
Wednesday

High: 64 °F
Sunny
Wednesday Night

Low: 49 °F
Mostly Clear
Thursday

High: 74 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 59. Calm wind becoming northeast around 5 mph. Winds could gust as high as 15 mph.
Tonight
Mostly clear, with a low around 39. Light and variable wind becoming south around 6 mph in the evening. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 62. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 45. Southwest wind 5 to 7 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 69. Southwest wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 45. Light and variable wind.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A slight chance of rain. Partly sunny, with a high near 70.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 41.
Saturday
A chance of rain and snow. Partly sunny, with a high near 53.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lead SD
44.35°N 103.77°W (Elev. 5322 ft)
44.35°N 103.77°W (Elev. 5322 ft)
4:26 am MDT Oct 18, 2026
5am MDT Oct 18, 2026-6pm MDT Oct 24, 2026


