Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. 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.

Fair

66°F

19°C

Humidity 19%
Wind Speed E 8 mph
Barometer 29.81 in (1004.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 16 May 4:53 pm MDT
Extended Forecast for

5 Miles E Custer SD

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 3am, then a chance of showers after 3am.  Low around 45. East wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 90%.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 3pm.  Mostly cloudy, with a high near 60. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 50%.

    High: 60 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 32. North wind 6 to 8 mph, with gusts as high as 28 mph.

    Low: 32 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday

    Monday: Rain showers likely before 7am, then rain and snow showers likely between 7am and 9am, then snow showers after 9am.  Temperature rising to near 37 by 9am, then falling to around 33 during the remainder of the day. North wind 7 to 11 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 37 °F

    Rain/Snow
    Likely then
    Snow Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight.  Mostly cloudy, with a low around 27. North wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 24 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of snow showers, mixing with rain after 11am, then gradually ending.  Partly sunny, with a high near 47. Light north wind. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 59.

    High: 59 °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 37.

    Low: 37 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 3am, then a chance of showers after 3am. Low around 45. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Sunday
A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 60. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 32. North wind 6 to 8 mph, with gusts as high as 28 mph.
Monday
Rain showers likely before 7am, then rain and snow showers likely between 7am and 9am, then snow showers after 9am. Temperature rising to near 37 by 9am, then falling to around 33 during the remainder of the day. North wind 7 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 27. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers, mixing with rain after 11am, then gradually ending. Partly sunny, with a high near 47. Light north wind. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37.
Thursday
A chance of showers, mainly after noon. Mostly sunny, with a high near 59.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
2:42 pm MDT May 16, 2026
5pm MDT May 16, 2026-6pm MDT May 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

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