Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

50°F

10°C

Humidity	68%
Wind Speed	S 3 mph
Barometer	29.89 in (1008.0 mb)
Dewpoint	40°F (4°C)
Visibility	10.00 mi
Last update	11 Oct 8:53 am MDT

More Information:

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

Extended Forecast for

Keystone SD

Today
High: 62 °F
Partly Sunny
Tonight
Low: 45 °F
Chance
Showers and
Patchy Fog
Columbus Day
High: 60 °F
Patchy Fog
then Mostly
Sunny
Monday Night
Low: 41 °F
Chance Rain
Tuesday
High: 55 °F
Chance Rain
Tuesday Night
Low: 42 °F
Chance Rain
Wednesday
High: 52 °F
Rain Likely
Wednesday Night
Low: 42 °F
Rain Likely
Thursday
High: 55 °F
Chance Rain
then Mostly
Sunny

Detailed Forecast

Today

Partly sunny, with a high near 62. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph.

Tonight

A 40 percent chance of showers. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 45. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

Columbus Day

Patchy fog before 9am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming northwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

Monday Night

A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 41. Northeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.

Tuesday

A 40 percent chance of rain. Mostly cloudy, with a high near 55. Light southeast wind. Winds could gust as high as 16 mph.

Tuesday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 42. Calm wind.

Wednesday

Rain likely, mainly after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

Wednesday Night

Rain likely, mainly before midnight. Mostly cloudy, with a low around 42.

Thursday

A chance of rain before noon. Partly sunny, with a high near 55.

Thursday Night

Partly cloudy, with a low around 36.