Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Light Drizzle

55°F

13°C

Humidity 100%
Wind Speed E 13 mph
Barometer 30.15 in
Dewpoint 55°F (13°C)
Visibility 4.00 mi
Wind Chill51°F (11°C)
Last update 15 Jul 10:15 pm MDT
Extended Forecast for

2 Miles SW Lead SD

  • Tonight

    Tonight: Showers before midnight, then showers and possibly a thunderstorm between midnight and 3am, then drizzle and possibly a thunderstorm after 3am.  Areas of fog. Low around 44. East wind around 5 mph becoming south after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 100%.

    Low: 44 °F

    Showers and
    Areas Fog

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  Areas of fog. High near 51. Southeast wind around 5 mph becoming northeast in the morning. Winds could gust as high as 15 mph.  Chance of precipitation is 90%.

    High: 51 °F

    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Areas of fog before midnight.  Otherwise, mostly cloudy, with a low around 41. East wind around 5 mph becoming south after midnight.  Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 70. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms.  Mostly clear, with a low around 52. Southeast wind around 5 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 75. West wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 52. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 75. South wind around 5 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Showers before midnight, then showers and possibly a thunderstorm between midnight and 3am, then drizzle and possibly a thunderstorm after 3am. Areas of fog. Low around 44. East wind around 5 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Wednesday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog. High near 51. Southeast wind around 5 mph becoming northeast in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms. Areas of fog before midnight. Otherwise, mostly cloudy, with a low around 41. East wind around 5 mph becoming south after midnight. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 70. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 52. Southeast wind around 5 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 75. West wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 75. South wind around 5 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 56.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 80.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 54.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
9:09 pm MDT Jul 15, 2025
10pm MDT Jul 15, 2025-6pm MDT Jul 22, 2025
 
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Additional Resources

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