Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

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

Overcast

72°F

22°C

Humidity	91%
Wind Speed	E 6 mph
Barometer	29.84 in (1009.2 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	17 Aug 9:53 am CDT

More Information:

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

Extended Forecast for

4 Miles NW Agar SD

Today
High: 87 °F
Slight Chance
T-storms then
Mostly Sunny
Tonight
Low: 64 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 88 °F
Decreasing
Clouds
Monday Night
Low: 62 °F
Slight Chance
T-storms
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 63 °F
Mostly Clear
Wednesday
High: 90 °F
Hot
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 94 °F
Hot

Detailed Forecast

Today

A slight chance of showers and thunderstorms before noon. Mostly sunny, with a high near 87. East wind 7 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.

Tonight

A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 64. North wind 7 to 10 mph. Chance of precipitation is 10%.

Monday

Mostly cloudy, then gradually becoming sunny, with a high near 88. North northeast wind around 8 mph.

Monday Night

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. East wind 7 to 10 mph. Chance of precipitation is 20%.

Tuesday

Sunny, with a high near 89. East southeast wind 7 to 9 mph.

Tuesday Night

Mostly clear, with a low around 63. East wind 8 to 10 mph.

Wednesday

Sunny and hot, with a high near 90. South southeast wind 8 to 15 mph, with gusts as high as 23 mph.

Wednesday Night

Mostly clear, with a low around 66. Southeast wind around 15 mph, with gusts as high as 23 mph.

Thursday

Sunny and hot, with a high near 94. South wind around 15 mph, with gusts as high as 23 mph.

Thursday Night

A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

Friday

A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 20%.

Friday Night

A slight chance of showers. Mostly clear, with a low around 55. Chance of precipitation is 20%.

Saturday

Sunny, with a high near 78.