National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Critical Fire Weather in the Southern Plains

Severe thunderstorms will persist tonight across the Middle Mississippi Valley, producing damaging winds, large to very large hail and several tornadoes. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fog/Mist

29°F

-2°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 30.00 in (1018.7 mb)
Dewpoint 28°F (-2°C)
Visibility 0.75 mi
Wind Chill24°F (-4°C)
Last update 27 Apr 9:53 pm MDT
Extended Forecast for

Hill City SD

  • Tonight

    Tonight: A 50 percent chance of snow showers after midnight. Cloudy, with a low around 27. Light and variable wind. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Cloudy then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers before 2pm, then rain and snow showers. Some thunder is also possible. High near 40. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 40 °F

    Snow Showers
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 10am, then a chance of rain showers. Some thunder is also possible. Mostly sunny, with a high near 49. Calm wind becoming northwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 28. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Thursday

    Thursday: A slight chance of snow showers before 10am, then a slight chance of rain and snow showers between 10am and noon, then a chance of rain showers after noon. Mostly sunny, with a high near 49. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. Calm wind becoming southeast around 5 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of snow showers after midnight. Cloudy, with a low around 27. Light and variable wind. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow showers before 2pm, then rain and snow showers. Some thunder is also possible. High near 40. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Partly cloudy, with a low around 28. Calm wind.
Wednesday
A slight chance of rain and snow showers before 10am, then a chance of rain showers. Some thunder is also possible. Mostly sunny, with a high near 49. Calm wind becoming northwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night
A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 28. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Thursday
A slight chance of snow showers before 10am, then a slight chance of rain and snow showers between 10am and noon, then a chance of rain showers after noon. Mostly sunny, with a high near 49. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 28. Light and variable wind. Winds could gust as high as 16 mph.
Friday
Sunny, with a high near 55. Calm wind becoming southeast around 5 mph.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 39.
Sunday
A chance of showers. Partly sunny, with a high near 61.
Sunday Night
A chance of showers. Partly cloudy, with a low around 38.
Monday
A chance of showers. Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hill City SD
 43.93°N 103.56°W (Elev. 5161 ft)
Last Update:
9:43 pm MDT Apr 27, 2026
Forecast Valid:
9pm MDT Apr 27, 2026-6pm MDT May 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation