Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

37°F

3°C

Humidity 67%
Wind Speed N 9 G 20 mph
Barometer 30.02 in (1017.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 18 May 5:53 pm MDT
Extended Forecast for

5 Miles E Custer SD

  • Tonight

    Tonight: A chance of rain and snow showers before 8pm.  Widespread frost after 11pm.  Otherwise, cloudy during the early evening, then gradual clearing, with a low around 25. North wind around 6 mph becoming calm  in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 8am.  Otherwise, mostly sunny, with a high near 53. Light and variable wind. Winds could gust as high as 18 mph.

    High: 53 °F

    Frost then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of rain and snow showers before 7am, then a chance of rain showers. Some thunder is also possible.  Mostly sunny, with a high near 59. Light southwest wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. South wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 70%.

    High: 61 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain and snow showers before 8pm. Widespread frost after 11pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 25. North wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday
Widespread frost before 8am. Otherwise, mostly sunny, with a high near 53. Light and variable wind. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 32. Light and variable wind. Winds could gust as high as 16 mph.
Wednesday
A chance of rain and snow showers before 7am, then a chance of rain showers. Some thunder is also possible. Mostly sunny, with a high near 59. Light southwest wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 37. South wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Thursday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Friday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 58.
Friday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 49.
Memorial Day
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Custer SD
 43.76°N 103.51°W (Elev. 5249 ft)
5:22 pm MDT May 18, 2026
6pm MDT May 18, 2026-6pm MDT May 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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