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.

Partly Cloudy and Breezy

60°F

16°C

Humidity	20%
Wind Speed	SW 21 G 43 mph
Barometer	29.77 in (1003.7 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Last update	13 Apr 12:53 pm MDT

More Information:

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

Extended Forecast for

5 Miles E Custer SD

Red Flag Warning April 13, 01:19pm until April 13, 09:00pm

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning April 13, 01:19pm until April 13, 09:00pm
NOW until 9:00pm Mon
Red Flag Warning
This Afternoon
High: 61 °F
Sunny
Tonight
Low: 38 °F
Partly Cloudy
Tuesday
High: 59 °F
Partly Sunny
then Chance
Showers
Tuesday Night
Low: 36 °F
Slight Chance
Showers then
Partly Cloudy
Wednesday
High: 66 °F
Sunny
Wednesday Night
Low: 46 °F
Mostly Clear
Thursday
High: 70 °F
Mostly Sunny
then Slight
Chance
Showers
Thursday Night
Low: 29 °F
Rain/Snow

Detailed Forecast

This Afternoon

Sunny, with a steady temperature around 61. West wind 16 to 18 mph, with gusts as high as 39 mph.

Tonight

Partly cloudy, with a low around 38. West wind 9 to 14 mph becoming light in the evening. Winds could gust as high as 34 mph.

Tuesday

A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 59. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

Tuesday Night

A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph.

Wednesday

Sunny, with a high near 66. Southwest wind 3 to 8 mph. Winds could gust as high as 21 mph.

Wednesday Night

Mostly clear, with a low around 46. Southwest wind 5 to 8 mph, with gusts as high as 22 mph.

Thursday

A 20 percent chance of showers after noon. Mostly sunny, with a high near 70. West wind 8 to 15 mph, with gusts as high as 33 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 29. Southwest wind around 11 mph becoming north in the evening. Winds could gust as high as 28 mph.

Friday

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

Friday Night

A chance of snow showers before midnight. Mostly cloudy, with a low around 22.

Saturday

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

Saturday Night

Mostly clear, with a low around 25.

Sunday

Sunny, with a high near 62.