Tropical System Impacts for the East; Severe Weather and Heavy Rainfall Threats

Heavy rain and dangerous surf conditions up the East Coast are forecast as tropical storm conditions approach late this week and into the weekend. Meanwhile, strong to severe thunderstorms are expected to impact portions of the central U.S. including heavy to excessive rainfall through Saturday. For the Intermountain region, below normal temperatures and some snow for the higher terrain. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

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Current conditions at

Custer, Custer County Airport (KCUT)

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

Fog

50°F

10°C

Humidity	93%
Wind Speed	E 8 mph
Barometer	30.09 in (1013.5 mb)
Dewpoint	48°F (9°C)
Visibility	0.25 mi
Wind Chill	47°F (8°C)
Last update	22 Sep 2:53 am MDT

More Information:

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

Extended Forecast for

5 Miles NNW Custer SD

Overnight

Slight Chance
T-storms and
Patchy Fog
Low: 48 °F
Friday

Severe
Thunderstorms
and Areas Fog
High: 59 °F
Friday
Night

Severe
Thunderstorms
then Showers
Likely
Low: 37 °F
Saturday

Chance
Showers
High: 56 °F
Saturday
Night

Partly Cloudy
Low: 41 °F
Sunday

Sunny
High: 64 °F
Sunday
Night

Mostly Clear
Low: 41 °F
Monday

Sunny
High: 69 °F
Monday
Night

Mostly Clear
Low: 44 °F

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 48. Northeast wind around 9 mph, with gusts as high as 15 mph.

Friday

Showers and thunderstorms likely, mainly before 1pm. Some of the storms could be severe. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 59. East wind around 8 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

Friday Night

A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could be severe. Increasing clouds, with a low around 37. Southeast wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 56. Northwest wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

Saturday Night

Partly cloudy, with a low around 41. Northwest wind around 18 mph, with gusts as high as 29 mph.

Sunday

Sunny, with a high near 64. Northwest wind 13 to 18 mph, with gusts as high as 26 mph.

Sunday Night

Mostly clear, with a low around 41.

Monday

Sunny, with a high near 69.

Monday Night

Mostly clear, with a low around 44.

Tuesday

Sunny, with a high near 70.