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

36°F

2°C

Humidity 76%
Wind Speed N 9 G 21 mph
Barometer 29.99 in (1016.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 18 May 3:53 pm MDT
Extended Forecast for

5 Miles ESE Edgemont SD

Freeze Warning May 19, 12:00am until May 19, 09:00am
Click here for hazard details and duration
Freeze Warning
  • This Afternoon

    This Afternoon: Showers.  High near 44. North wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%.

    High: 44 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 8pm.  Widespread frost after 4am.  Otherwise, cloudy during the early evening, then gradual clearing, with a low around 31. Northwest wind 8 to 10 mph, with gusts as high as 16 mph.  Chance of precipitation is 60%.

    Low: 31 °F

    Showers
    Likely then
    Frost

  • Tuesday

    Tuesday: Widespread frost before 8am.  Otherwise, sunny, with a high near 59. West wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 59 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. West wind 5 to 7 mph becoming light and variable  after midnight. Winds could gust as high as 16 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 3pm.  Mostly sunny, with a high near 67. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. South wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers. High near 44. North wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Tonight
Showers likely, mainly before 8pm. Widespread frost after 4am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 31. Northwest wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.
Tuesday
Widespread frost before 8am. Otherwise, sunny, with a high near 59. West wind 7 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 35. West wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 67. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 40. South wind 5 to 14 mph, with gusts as high as 22 mph.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41.
Friday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 65.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 49.
Memorial Day
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Edgemont SD
 43.27°N 103.74°W (Elev. 3675 ft)
2:57 pm MDT May 18, 2026
3pm MDT May 18, 2026-6pm MDT May 25, 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