Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

70°F

21°C

Humidity 40%
Wind Speed S 18 G 25 mph
Barometer 29.91 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 27 May 3:15 am MDT
Extended Forecast for

Lead SD

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 62. South wind around 7 mph, with gusts as high as 28 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Southeast wind 6 to 13 mph, with gusts as high as 28 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. South wind 7 to 11 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Southeast wind 8 to 13 mph, with gusts as high as 31 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. South wind 8 to 10 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78. Southeast wind 8 to 10 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon.  Partly sunny, with a high near 73.

    High: 73 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 62. South wind around 7 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 78. Southeast wind 6 to 13 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 7 to 11 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 78. Southeast wind 8 to 13 mph, with gusts as high as 31 mph.
Thursday Night
Mostly cloudy, with a low around 54. South wind 8 to 10 mph, with gusts as high as 30 mph.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Southeast wind 8 to 10 mph, with gusts as high as 25 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 73.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 69.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.33°N 103.74°W (Elev. 5518 ft)
1:31 am MDT May 27, 2026
3am MDT May 27, 2026-6pm MDT Jun 2, 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