Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

86°F

30°C

Humidity	33%
Wind Speed	NE 8 mph
Barometer	30.02 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	6 Sep 10:55 am MDT

More Information:

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

Extended Forecast for

6 Miles SW Lead SD

Today
High: 86 °F
Slight Chance
T-storms
Tonight
Low: 57 °F
Slight Chance
T-storms then
Chance
Showers
Labor Day
High: 80 °F
Gradual
Clearing
Monday Night
Low: 47 °F
Mostly Clear
Tuesday
High: 71 °F
Sunny
Tuesday Night
Low: 40 °F
Mostly Clear
Wednesday
High: 70 °F
Sunny
Wednesday Night
Low: 46 °F
Mostly Clear
Thursday
High: 77 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon. Winds could gust as high as 16 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 57. Southeast wind 3 to 6 mph. Winds could gust as high as 22 mph.

Labor Day

Cloudy through mid morning, then gradual clearing, with a high near 80. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 32 mph.

Monday Night

Mostly clear, with a low around 47. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 29 mph.

Tuesday

Sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 23 mph.

Tuesday Night

Mostly clear, with a low around 40. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.

Wednesday

Sunny, with a high near 70.

Wednesday Night

Mostly clear, with a low around 46.

Thursday

Sunny, with a high near 77.