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

90°F

32°C

Humidity 38%
Wind Speed E 13 G 20 mph
Barometer 29.94 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 10 Aug 4:55 pm MDT
Extended Forecast for

Sundance WY

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Areas of smoke. Mostly sunny, with a steady temperature around 90. Northwest wind around 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 61. North wind 9 to 14 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 61 °F

    Areas Smoke

  • Tuesday

    Tuesday: Areas of smoke. Sunny, with a high near 89. Calm wind becoming northeast 5 to 7 mph in the morning. Winds could gust as high as 16 mph.

    High: 89 °F

    Areas Smoke

  • Tuesday Night

    Tuesday Night: Areas of smoke. Partly cloudy, with a low around 60. North wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 17 mph.

    Low: 60 °F

    Areas Smoke

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon.  Partly sunny, with a high near 82. Light and variable wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    High: 82 °F

    Partly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 56. East wind 5 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.

    Low: 56 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after noon.  High near 72. Chance of precipitation is 90%.

    High: 72 °F

    Showers

  • 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 74.

    High: 74 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Areas of smoke. Mostly sunny, with a steady temperature around 90. Northwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Areas of smoke. Mostly clear, with a low around 61. North wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Tuesday
Areas of smoke. Sunny, with a high near 89. Calm wind becoming northeast 5 to 7 mph in the morning. Winds could gust as high as 16 mph.
Tuesday Night
Areas of smoke. Partly cloudy, with a low around 60. North wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 17 mph.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 82. Light and variable wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 56. East wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Thursday
Showers likely, then showers and possibly a thunderstorm after noon. High near 72. Chance of precipitation is 90%.
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 74.
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 73.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Sundance WY
 44.41°N 104.35°W (Elev. 4659 ft)
5:06 pm MDT Aug 10, 2026
5pm MDT Aug 10, 2026-6pm MDT Aug 17, 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