Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

50°F

10°C

Humidity 54%
Wind Speed NE 6 mph
Barometer 29.79 in (1004.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 12 Apr 11:53 pm MDT
Extended Forecast for

6 Miles W Hill City SD

Red Flag Warning April 13, 12:01am until April 13, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 13, 12:01am until April 13, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • Overnight

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55. Southwest wind 8 to 15 mph, with gusts as high as 37 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. West wind 6 to 13 mph, with gusts as high as 34 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers after noon.  Partly sunny, with a high near 52. Southwest wind around 6 mph, with gusts as high as 17 mph.

    High: 52 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of rain showers, mixing with snow after 9pm, then gradually ending.  Partly cloudy, with a low around 34. Northwest wind around 6 mph becoming southwest after midnight. Winds could gust as high as 16 mph.  Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Southwest wind 7 to 10 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Southwest wind 8 to 11 mph, with gusts as high as 29 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after noon.  Mostly sunny, with a high near 57. West wind 9 to 14 mph, with gusts as high as 34 mph.

    High: 57 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 55. Southwest wind 8 to 15 mph, with gusts as high as 37 mph.
Monday Night
Mostly clear, with a low around 33. West wind 6 to 13 mph, with gusts as high as 34 mph.
Tuesday
A 30 percent chance of showers after noon. Partly sunny, with a high near 52. Southwest wind around 6 mph, with gusts as high as 17 mph.
Tuesday Night
A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 34. Northwest wind around 6 mph becoming southwest after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 57. Southwest wind 7 to 10 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 40. Southwest wind 8 to 11 mph, with gusts as high as 29 mph.
Thursday
A chance of showers after noon. Mostly sunny, with a high near 57. West wind 9 to 14 mph, with gusts as high as 34 mph.
Thursday Night
Rain and snow showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 22.
Friday
Snow showers likely. Mostly cloudy, with a high near 29.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 16.
Saturday
A chance of snow showers. Mostly sunny, with a high near 37.
Saturday Night
A slight chance of snow showers. Partly cloudy, with a low around 22.
Sunday
Sunny, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Hill City SD
 43.95°N 103.71°W (Elev. 6598 ft)
10:32 pm MDT Apr 12, 2026
12am MDT Apr 13, 2026-6pm MDT Apr 19, 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