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

Multiple Days of Severe Weather from Thunderstorms and Wildfires

Active spring pattern across the center of the nation with several rounds of severe thunderstorms in the forecast through the weekend. The regions under the greatest threats are the southern Plains into the Mississippi Valley. Meanwhile, dry and breezy conditions with dry fuels are aiding in wildfires across the western High Plains and the Southeast. Wind and some snow for northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

38°F

3°C

Humidity 70%
Wind Speed E 10 mph
Barometer 29.72 in (1005.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 23 Apr 8:53 pm MDT
Extended Forecast for

3 Miles NNE Keystone SD

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 11pm. Low around 28. North wind around 6 mph becoming calm after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Showers

  • Friday

    Friday: Snow showers, mainly before 3pm. High near 42. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Snow Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 24. Northwest wind 3 to 5 mph. Winds could gust as high as 17 mph.

    Low: 24 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers before 4pm, then a chance of rain and snow showers. Partly sunny, with a high near 41. Light and variable wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before 9pm, then snow showers likely between 9pm and 2am, then rain and snow showers likely after 2am. Mostly cloudy, with a low around 30. Southeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow showers, becoming all rain after 8am. High near 39. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    then Showers

  • Sunday Night

    Sunday Night: Rain and snow showers, becoming all snow after 3am. Low around 30. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 30 °F

    Rain/Snow

  • Monday

    Monday: Snow showers likely before 3pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 43. Northwest wind around 8 mph, with gusts as high as 24 mph.

    High: 43 °F

    Snow Showers
    Likely then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain showers before 9pm, then a chance of snow showers. Partly cloudy, with a low around 27.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Rain and snow showers, becoming all snow after 11pm. Low around 28. North wind around 6 mph becoming calm after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow showers, mainly before 3pm. High near 42. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 24. Northwest wind 3 to 5 mph. Winds could gust as high as 17 mph.
Saturday
A chance of snow showers before 4pm, then a chance of rain and snow showers. Partly sunny, with a high near 41. Light and variable wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of rain and snow showers before 9pm, then snow showers likely between 9pm and 2am, then rain and snow showers likely after 2am. Mostly cloudy, with a low around 30. Southeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Rain and snow showers, becoming all rain after 8am. High near 39. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Rain and snow showers, becoming all snow after 3am. Low around 30. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Monday
Snow showers likely before 3pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 43. Northwest wind around 8 mph, with gusts as high as 24 mph.
Monday Night
A chance of rain showers before 9pm, then a chance of snow showers. Partly cloudy, with a low around 27.
Tuesday
A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and noon, then a chance of rain showers after noon. Mostly sunny, with a high near 50.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 32.
Wednesday
A chance of showers. Mostly sunny, with a high near 52.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31.
Thursday
A chance of snow showers. Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Keystone SD
 43.92°N 103.41°W (Elev. 4708 ft)
Last Update:
7:43 pm MDT Apr 23, 2026
Forecast Valid:
9pm MDT Apr 23, 2026-6pm MDT Apr 30, 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