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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

48°F

9°C

Humidity 37%
Wind Speed N 3 mph
Barometer 29.85 in (1004.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 22 Apr 1:53 am MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

Red Flag Warning April 22, 10:00am until April 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. South wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 75. Southwest wind 8 to 15 mph, with gusts as high as 32 mph.

    High: 75 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 39. Breezy, with a west wind 15 to 22 mph, with gusts as high as 40 mph.

    Low: 39 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and snow showers before 11am, then a chance of rain showers between 11am and 4pm, then a chance of rain and snow showers after 4pm. Mostly sunny, with a high near 50. Northwest wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 25. North wind 7 to 16 mph, with gusts as high as 26 mph. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 40. West wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 23. North wind around 7 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers. Partly sunny, with a high near 46. Northwest wind around 7 mph becoming southeast in the morning. Winds could gust as high as 23 mph.

    High: 46 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. South wind 5 to 7 mph, with gusts as high as 15 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 75. Southwest wind 8 to 15 mph, with gusts as high as 32 mph.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 39. Breezy, with a west wind 15 to 22 mph, with gusts as high as 40 mph.
Thursday
A chance of rain and snow showers before 11am, then a chance of rain showers between 11am and 4pm, then a chance of rain and snow showers after 4pm. Mostly sunny, with a high near 50. Northwest wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 25. North wind 7 to 16 mph, with gusts as high as 26 mph. New snow accumulation of less than one inch possible.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 40. West wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 23. North wind around 7 mph, with gusts as high as 21 mph.
Saturday
A chance of snow showers. Partly sunny, with a high near 46. Northwest wind around 7 mph becoming southeast in the morning. Winds could gust as high as 23 mph.
Saturday Night
Snow showers likely, mainly after midnight. Mostly cloudy, with a low around 27.
Sunday
Snow showers. Mostly cloudy, with a high near 38.
Sunday Night
Snow showers likely. Mostly cloudy, with a low around 25.
Monday
A chance of snow showers. Mostly cloudy, with a high near 41.
Monday Night
A chance of snow showers. Partly cloudy, with a low around 26.
Tuesday
A chance of rain and snow showers. Mostly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.85°N 103.52°W (Elev. 6109 ft)
Last Update:
2:02 am MDT Apr 22, 2026
Forecast Valid:
2am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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