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

58°F

14°C

Humidity	31%
Wind Speed	SW 8 G 22 mph
Barometer	29.80 in (1004.2 mb)
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Last update	13 Apr 9:53 am MDT

More Information:

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

Extended Forecast for

5 Miles N Custer SD

Red Flag Warning April 13, 10:15am until April 13, 09:00pm

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning April 13, 10:15am until April 13, 09:00pm
NOW until 9:00pm Mon
Red Flag Warning
Today
High: 57 °F
Sunny then
Sunny and
Breezy
Tonight
Low: 35 °F
Partly Cloudy
Tuesday
High: 54 °F
Partly Sunny
then Chance
Showers
Tuesday Night
Low: 34 °F
Slight Chance
Showers then
Partly Cloudy
Wednesday
High: 59 °F
Sunny then
Slight Chance
Showers
Wednesday Night
Low: 42 °F
Mostly Clear
Thursday
High: 62 °F
Mostly Sunny
then Chance
Showers
Thursday Night
Low: 24 °F
Blustery.
Rain/Snow
then Snow
Showers
Likely

Detailed Forecast

Today

Sunny, with a high near 57. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 38 mph.

Tonight

Partly cloudy, with a low around 35. West wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph.

Tuesday

A 30 percent chance of showers after noon. Partly sunny, with a high near 54. West wind around 7 mph becoming south 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 34. West wind around 7 mph, with gusts as high as 15 mph.

Wednesday

A 20 percent chance of showers after noon. Sunny, with a high near 59. Southwest wind 7 to 9 mph, with gusts as high as 22 mph.

Wednesday Night

Mostly clear, with a low around 42. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.

Thursday

A 40 percent chance of showers after noon. Mostly sunny, with a high near 62. Southwest wind 14 to 18 mph, with gusts as high as 36 mph.

Thursday Night

Rain showers before 9pm, then rain and snow showers between 9pm and midnight, then snow showers likely after midnight. Mostly cloudy, with a low around 24. Blustery, with a southwest wind 17 to 21 mph becoming north in the evening. Winds could gust as high as 31 mph.

Friday

Snow showers likely. Mostly cloudy, with a high near 34. Breezy.

Friday Night

A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 19. Blustery.

Saturday

A slight chance of snow showers. Mostly sunny, with a high near 41.

Saturday Night

Mostly clear, with a low around 25.

Sunday

Sunny, with a high near 56.