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 Chill47°F (8°C)
Last update 18 Oct 5:35 am MDT
Extended Forecast for

Lead SD

  • Today

    Today: Sunny, with a high near 59. Calm wind becoming northeast around 5 mph. Winds could gust as high as 15 mph.

    High: 59 °F

    Sunny

  • Tonight

    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.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Southwest wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Southwest wind around 5 mph becoming calm  in the morning.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 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
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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