Air Quality Concerns; Fire Weather; Extreme Heat; Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin. Heavy rainfall and flash flooding possible for the Southeast through Monday. For Hawaii, gusty trade winds a drier weather could result in any fires that start to spread rapidly. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

83°F

28°C

Humidity	61%
Wind Speed	SE 9 mph
Barometer	29.98 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	3 Aug 4:15 pm CDT

More Information:

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

Extended Forecast for

Reliance SD

This Afternoon
High: 85 °F
Slight Chance
T-storms
Tonight
Low: 62 °F
Chance
T-storms then
Mostly Cloudy
Monday
High: 87 °F
Becoming
Sunny
Monday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 87 °F
Breezy.
Mostly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 67 °F
Chance
T-storms and
Breezy
Wednesday
High: 91 °F
Hot
Wednesday Night
Low: 68 °F
Mostly Clear
Thursday
High: 96 °F
Hot

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 85. East wind around 5 mph. Chance of precipitation is 10%.

Tonight

A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 62. North northeast wind 7 to 10 mph becoming south after midnight. Chance of precipitation is 30%.

Monday

Mostly cloudy through mid morning, then gradual clearing, with a high near 87. Southeast wind 6 to 11 mph.

Monday Night

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

Tuesday

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy, with a south southeast wind 15 to 20 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

Tuesday Night

A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 67. Breezy, with a south southeast wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 40%.

Wednesday

Sunny and hot, with a high near 91. Southeast wind around 10 mph.

Wednesday Night

Mostly clear, with a low around 68. Southeast wind around 11 mph.

Thursday

Sunny and hot, with a high near 96. South southeast wind 10 to 18 mph, with gusts as high as 28 mph.

Thursday Night

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.

Friday

Mostly sunny and hot, with a high near 93.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.