Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

55°F

13°C

Humidity 63%
Wind Speed NW 8 mph
Barometer 30.14 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 19 Jun 5:55 am MDT
Extended Forecast for

Lead SD

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 67. Northwest wind around 6 mph, with gusts as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am.  Partly cloudy, with a low around 47. Calm wind becoming south around 6 mph after midnight. Winds could gust as high as 22 mph.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 70. Southeast wind 6 to 9 mph, with gusts as high as 24 mph.

    High: 70 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 48. Southeast wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 59. Calm wind becoming northeast around 6 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 100%.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 16 mph.  Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after noon.  High near 61. Chance of precipitation is 90%.

    High: 61 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight.  Partly cloudy, with a low around 42.

    Low: 42 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 67. Northwest wind around 6 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 47. Calm wind becoming south around 6 mph after midnight. Winds could gust as high as 22 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 70. Southeast wind 6 to 9 mph, with gusts as high as 24 mph.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. Southeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 59. Calm wind becoming northeast around 6 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
Monday
Showers likely, then showers and possibly a thunderstorm after noon. High near 61. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before midnight. Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.33°N 103.74°W (Elev. 5518 ft)
4:48 am MDT Jun 19, 2026
6am MDT Jun 19, 2026-6pm MDT Jun 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database