Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

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

Fair

85°F

29°C

Humidity	32%
Wind Speed	S 3 mph
Barometer	29.90 in (1011.2 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	31 Aug 5:53 pm CDT

More Information:

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

Extended Forecast for

19 Miles SE Hayes SD

Tonight
Low: 60 °F
Mostly Cloudy
Tuesday
High: 82 °F
Slight Chance
Showers then
Showers
Likely
Tuesday Night
Low: 58 °F
Showers
Likely then
Partly Cloudy
Wednesday
High: 92 °F
Hot
Wednesday Night
Low: 65 °F
Partly Cloudy
Thursday
High: 96 °F
Hot
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 97 °F
Hot
Friday Night
Low: 69 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 60. West northwest wind 5 to 7 mph becoming light and variable.

Tuesday

A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 82. Northeast wind 6 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 9pm. Partly cloudy, with a low around 58. East northeast wind 7 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Cloudy through mid morning, then gradual clearing and hot, with a high near 92. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.

Wednesday Night

Partly cloudy, with a low around 65. Southeast wind 9 to 14 mph, with gusts as high as 22 mph.

Thursday

Sunny and hot, with a high near 96. Southwest wind 8 to 10 mph.

Thursday Night

Mostly clear, with a low around 65. East southeast wind 7 to 9 mph.

Friday

Sunny and hot, with a high near 97. South southeast wind 6 to 16 mph, with gusts as high as 26 mph.

Friday Night

Partly cloudy, with a low around 69. South southeast wind 10 to 15 mph.