Dangerous Fire Conditions in the Southern High Plains; Severe Weather in the Central Plains and Upper Midwest; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected in the central Plains into the Upper Midwest. Heavy late-season snow and record cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Overcast

49°F

9°C

Humidity 74%
Wind Speed W 9 mph
Barometer 29.72 in (1003.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 17 May 10:53 am MDT
Extended Forecast for

2 Miles E Keystone SD

  • Today

    Today: Showers likely, mainly before noon.  Partly sunny, with a high near 61. North wind 7 to 13 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely

  • Tonight

    Tonight: A 50 percent chance of showers after midnight.  Partly cloudy, then becoming cloudy toward daybreak, with a low around 36. North wind 9 to 13 mph, with gusts as high as 32 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers.  High near 40. North wind 10 to 14 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%.

    High: 40 °F

    Showers

  • Monday Night

    Monday Night: A chance of rain showers, mixing with snow after 7pm, then gradually ending.  Cloudy, then gradually becoming partly cloudy, with a low around 32. North wind 6 to 11 mph becoming light northwest  after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Calm wind becoming north around 5 mph. Winds could gust as high as 16 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. Calm wind becoming southwest around 5 mph after midnight.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Showers likely, mainly before noon. Partly sunny, with a high near 61. North wind 7 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Tonight
A 50 percent chance of showers after midnight. Partly cloudy, then becoming cloudy toward daybreak, with a low around 36. North wind 9 to 13 mph, with gusts as high as 32 mph.
Monday
Showers. High near 40. North wind 10 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%.
Monday Night
A chance of rain showers, mixing with snow after 7pm, then gradually ending. Cloudy, then gradually becoming partly cloudy, with a low around 32. North wind 6 to 11 mph becoming light northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 53. Calm wind becoming north around 5 mph. Winds could gust as high as 16 mph.
Tuesday Night
Partly cloudy, with a low around 34. Calm wind becoming southwest around 5 mph after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.
Thursday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 63.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 46.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Keystone SD
 43.9°N 103.37°W (Elev. 4199 ft)
11:03 am MDT May 17, 2026
11am MDT May 17, 2026-6pm MDT May 23, 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