Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

92°F

33°C

Humidity	34%
Wind Speed	Vrbl 5 mph
Barometer	29.93 in (1010.4 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	15 Aug 4:52 pm MDT

More Information:

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

Extended Forecast for

6 Miles ESE Caputa SD

This Afternoon
High: 91 °F
Slight Chance
T-storms
Tonight
Low: 67 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 90 °F
Mostly Cloudy
then Severe
Thunderstorms
Saturday Night
Low: 64 °F
Chance
T-storms
Sunday
High: 91 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 63 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 90 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 93 °F
Sunny

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 91. East wind around 10 mph, with gusts as high as 20 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 67. East wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

Saturday

A 30 percent chance of showers and thunderstorms after noon. Some of the storms could be severe. Partly sunny, with a high near 90. North wind 5 to 15 mph becoming east in the morning. Winds could gust as high as 20 mph.

Saturday Night

A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 64. North wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Northeast wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

Monday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Monday Night

Mostly clear, with a low around 63. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

Tuesday

Sunny, with a high near 93.

Tuesday Night

Mostly clear, with a low around 64.

Wednesday

Sunny, with a high near 97.

Wednesday Night

Mostly clear, with a low around 67.

Thursday

Sunny, with a high near 96.