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.

Mostly Cloudy

46°F

8°C

Humidity	54%
Wind Speed	W 8 mph
Barometer	29.78 in (1003.7 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	42°F (6°C)
Last update	13 Apr 4:53 am MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles E Custer SD

Red Flag Warning April 13, 05:56am until April 13, 09:00pm

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning April 13, 05:56am until April 13, 09:00pm
NOW until 9:00pm Mon
Red Flag Warning
Today
High: 65 °F
Sunny then
Slight Chance
Showers
Tonight
Low: 38 °F
Partly Cloudy
Tuesday
High: 60 °F
Partly Sunny
then Chance
Showers
Tuesday Night
Low: 38 °F
Slight Chance
Showers then
Partly Cloudy
Wednesday
High: 65 °F
Sunny then
Slight Chance
Showers
Wednesday Night
Low: 45 °F
Mostly Clear
Thursday
High: 68 °F
Mostly Sunny
then Chance
Showers
Thursday Night
Low: 28 °F
Rain/Snow

Detailed Forecast

Today

A slight chance of showers between 2pm and 4pm. Sunny, with a high near 65. West wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

Tonight

Partly cloudy, with a low around 38. West wind 8 to 13 mph becoming light in the evening. Winds could gust as high as 33 mph.

Tuesday

A 30 percent chance of showers after noon. Partly sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 17 mph.

Tuesday Night

A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

Wednesday

A 20 percent chance of showers after noon. Sunny, with a high near 65. Southwest wind 3 to 7 mph. Winds could gust as high as 22 mph.

Wednesday Night

Mostly clear, with a low around 45. Southwest wind 5 to 7 mph, with gusts as high as 22 mph.

Thursday

A 40 percent chance of showers after noon. Mostly sunny, with a high near 68. Southwest wind 8 to 15 mph, with gusts as high as 36 mph.

Thursday Night

Rain showers before 9pm, then rain and snow showers between 9pm and 3am, then snow showers likely after 3am. Mostly cloudy, with a low around 28. Southwest wind around 13 mph becoming north in the evening. Winds could gust as high as 30 mph.

Friday

Snow showers likely. Mostly cloudy, with a high near 40.

Friday Night

A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23.

Saturday

A slight chance of snow showers. Mostly sunny, with a high near 47.

Saturday Night

Mostly clear, with a low around 27.

Sunday

Sunny, with a high near 63.