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

Pierre, Pierre Regional Airport (KPIR)

Lat: 44.38°NLon: 100.29°WElev: 1742ft.

Fair

92°F

33°C

Humidity	43%
Wind Speed	SE 16 mph
Barometer	29.87 in (1009.5 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	16 Aug 2:53 pm CDT

More Information:

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

Extended Forecast for

6 Miles SSE Onida SD

This Afternoon
High: 87 °F
Slight Chance
T-storms
Tonight
Low: 68 °F
Chance
T-storms
Sunday
High: 86 °F
Chance
T-storms then
Slight Chance
T-storms
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 88 °F
Mostly Sunny
Monday Night
Low: 61 °F
Slight Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 62 °F
Clear
Wednesday
High: 90 °F
Hot

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. East wind around 11 mph. Chance of precipitation is 20%.

Tonight

A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 68. East wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Sunday

A chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 86. East wind around 10 mph becoming north in the afternoon. Chance of precipitation is 50%.

Sunday Night

Mostly clear, with a low around 63. North northeast wind 6 to 10 mph.

Monday

Mostly sunny, with a high near 88. East northeast wind 6 to 8 mph.

Monday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 61. East wind 7 to 10 mph. Chance of precipitation is 20%.

Tuesday

Sunny, with a high near 87. East southeast wind 6 to 9 mph.

Tuesday Night

Clear, with a low around 62. East wind 8 to 10 mph.

Wednesday

Sunny and hot, with a high near 90. South southeast wind 8 to 14 mph, with gusts as high as 23 mph.

Wednesday Night

Mostly clear, with a low around 66.

Thursday

Sunny and hot, with a high near 95.

Thursday Night

A chance of showers and thunderstorms. Mostly clear, with a low around 63. Chance of precipitation is 30%.