Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

59°F

15°C

Humidity 88%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 10 Aug 6:55 am MDT
Extended Forecast for

Sundance WY

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Areas of smoke. Mostly sunny, with a high near 92. Light and variable wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 92 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 61. North wind 8 to 13 mph becoming light and variable  in the evening.

    Low: 61 °F

    Areas Smoke

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Areas of smoke. Mostly sunny, with a high near 91. Calm wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 17 mph.

    High: 91 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Northeast wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 17 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after noon.  Mostly cloudy, with a high near 82. Light southeast wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 17 mph.  Chance of precipitation is 70%.

    High: 82 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 55. East wind 5 to 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%.

    Low: 55 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon.  High near 72. Chance of precipitation is 80%.

    High: 72 °F

    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 73.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke. Mostly sunny, with a high near 92. Light and variable wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.
Tonight
Areas of smoke. Mostly clear, with a low around 61. North wind 8 to 13 mph becoming light and variable in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Areas of smoke. Mostly sunny, with a high near 91. Calm wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 17 mph.
Tuesday Night
Partly cloudy, with a low around 60. Northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 17 mph.
Wednesday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 82. Light southeast wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 55. East wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 72. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 54.
Friday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 73.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 52.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 74.
Saturday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 53.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Sundance WY
 44.41°N 104.35°W (Elev. 4659 ft)
6:57 am MDT Aug 10, 2026
7am MDT Aug 10, 2026-6pm MDT Aug 16, 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