Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

25°F

-4°C

Humidity 69%
Wind Speed NW 12 G 26 mph
Barometer 30.04 in (1020.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 18 Apr 6:53 am MDT
Extended Forecast for

Hot Springs SD

Red Flag Warning April 18, 11:00am until April 18, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: A slight chance of snow showers between noon and 1pm, then a slight chance of rain showers after 1pm.  Mostly sunny, with a high near 56. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 20%.

    High: 56 °F

    Breezy.
    Mostly Sunny
    then Isolated
    Rain/Snow

  • Tonight

    Tonight: Mostly clear, with a low around 28. Blustery, with a northwest wind 15 to 20 mph becoming light west  in the evening. Winds could gust as high as 31 mph.

    Low: 28 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. East wind around 6 mph becoming calm  in the evening. Winds could gust as high as 16 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 83. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 29 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Northwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. South wind 5 to 9 mph becoming light  after midnight. Winds could gust as high as 17 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after noon.  Mostly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A slight chance of snow showers between noon and 1pm, then a slight chance of rain showers after 1pm. Mostly sunny, with a high near 56. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 28. Blustery, with a northwest wind 15 to 20 mph becoming light west in the evening. Winds could gust as high as 31 mph.
Sunday
Sunny, with a high near 67. Calm wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 37. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Monday
Mostly sunny, with a high near 83. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 29 mph.
Monday Night
Mostly clear, with a low around 46. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 87. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 51. South wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 17 mph.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 86.
Wednesday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 47.
Thursday
A chance of showers. Mostly sunny, with a high near 67. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Blustery.
Friday
A chance of snow showers. Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Hot Springs SD
 43.44°N 103.48°W (Elev. 3599 ft)
6:57 am MDT Apr 18, 2026
7am MDT Apr 18, 2026-6pm MDT Apr 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