Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair and Breezy

58°F

14°C

Humidity 29%
Wind Speed W 21 G 30 mph
Barometer 29.81 in (1004.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 13 Apr 10:53 am MDT
Extended Forecast for

5 Miles ESE Rochford SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny, with a high near 61. West wind 9 to 11 mph, with gusts as high as 33 mph.

    High: 61 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 35. West wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 28 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly after 2pm.  Partly sunny, with a high near 58. Light and variable wind. Winds could gust as high as 16 mph.

    High: 58 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 9pm.  Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Calm wind becoming southwest around 5 mph. Winds could gust as high as 17 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Calm wind becoming southwest around 6 mph after midnight. Winds could gust as high as 22 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers after noon.  Mostly sunny, with a high near 66. Southwest wind 6 to 9 mph, with gusts as high as 31 mph.

    High: 66 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 11pm, then rain and snow showers between 11pm and midnight, then snow showers after midnight.  Mostly cloudy, with a low around 24. Northwest wind around 7 mph, with gusts as high as 26 mph.

    Low: 24 °F

    Rain/Snow
    then Snow
    Showers

  • Friday

    Friday: Snow showers.  Mostly cloudy, with a high near 33.

    High: 33 °F

    Snow Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 61. West wind 9 to 11 mph, with gusts as high as 33 mph.
Tonight
Partly cloudy, with a low around 35. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 28 mph.
Tuesday
A 40 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 58. Light and variable wind. Winds could gust as high as 16 mph.
Tuesday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 34. Calm wind.
Wednesday
Sunny, with a high near 64. Calm wind becoming southwest around 5 mph. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 44. Calm wind becoming southwest around 6 mph after midnight. Winds could gust as high as 22 mph.
Thursday
A 50 percent chance of showers after noon. Mostly sunny, with a high near 66. Southwest wind 6 to 9 mph, with gusts as high as 31 mph.
Thursday Night
Rain showers before 11pm, then rain and snow showers between 11pm and midnight, then snow showers after midnight. Mostly cloudy, with a low around 24. Northwest wind around 7 mph, with gusts as high as 26 mph.
Friday
Snow showers. Mostly cloudy, with a high near 33.
Friday Night
A chance of snow showers before midnight. Mostly cloudy, with a low around 19.
Saturday
A chance of snow showers. Mostly sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Rochford SD
 44.1°N 103.66°W (Elev. 5417 ft)
10:27 am MDT Apr 13, 2026
11am MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
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