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

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Overcast

52°F

11°C

Humidity 40%
Wind Speed W 8 mph
Barometer 29.95 in (1012.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 22 May 4:53 pm MDT
Extended Forecast for

5 Miles ESE Rochford SD

  • Tonight

    Tonight: Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 23 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. Light west wind. Winds could gust as high as 15 mph.

    High: 64 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Light and variable wind. Winds could gust as high as 15 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 80. Light and variable wind. Winds could gust as high as 16 mph.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 23 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. Light west wind. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 39. Calm wind.
Sunday
Sunny, with a high near 75. Light and variable wind. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 46. Calm wind.
Memorial Day
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 80. Light and variable wind. Winds could gust as high as 16 mph.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 68.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Rochford SD
 44.1°N 103.66°W (Elev. 5417 ft)
Last Update:
3:11 pm MDT May 22, 2026
Forecast Valid:
5pm MDT May 22, 2026-6pm MDT May 29, 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