Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; 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 from the Great Lakes into the central/southern Plains. Heavy late-season snow and 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.

Partly Cloudy

37°F

3°C

Humidity 73%
Wind Speed N 12 G 22 mph
Barometer 29.85 in (1009.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 18 May 2:53 am MDT
Extended Forecast for

8 Miles SSW Nemo SD

  • Overnight

    Overnight: A chance of rain and snow showers.  Cloudy, with a steady temperature around 36. Light north wind. Winds could gust as high as 17 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow

  • Monday

    Monday: Snow showers before 8am, then rain, possibly mixed with snow showers.  Steady temperature around 34. North wind 3 to 8 mph. Winds could gust as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Rain/Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow showers before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 24. North wind around 6 mph becoming calm  in the evening. Winds could gust as high as 23 mph.

    Low: 24 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Light and variable wind. Winds could gust as high as 16 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 64. Calm wind becoming southwest around 5 mph. Winds could gust as high as 18 mph.  Chance of precipitation is 20%.

    High: 64 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 60.

    High: 60 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of rain and snow showers. Cloudy, with a steady temperature around 36. Light north wind. Winds could gust as high as 17 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday
Snow showers before 8am, then rain, possibly mixed with snow showers. Steady temperature around 34. North wind 3 to 8 mph. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 24. North wind around 6 mph becoming calm in the evening. Winds could gust as high as 23 mph.
Tuesday
Mostly sunny, with a high near 53. Light and variable wind. Winds could gust as high as 16 mph.
Tuesday Night
Mostly clear, with a low around 29. Calm wind.
Wednesday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 64. Calm wind becoming southwest around 5 mph. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 60.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 32.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 62.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 35.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Nemo SD
 44.08°N 103.57°W (Elev. 5000 ft)
12:42 am MDT May 18, 2026
3am MDT May 18, 2026-6pm MDT May 24, 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