Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

88°F

31°C

Humidity	27%
Wind Speed	NE 13 G 22 mph
Barometer	30.15 in
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	6 Jul 3:15 pm MDT

More Information:

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

Extended Forecast for

4 Miles SSW Lead SD

Tonight
Low: 55 °F
Chance
T-storms
Tuesday
High: 80 °F
Mostly Cloudy
then Severe
Thunderstorms
Tuesday Night
Low: 53 °F
Severe
Thunderstorms
then Chance
T-storms
Wednesday
High: 76 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 51 °F
Chance
T-storms
Thursday
High: 76 °F
Chance
T-storms
Thursday Night
Low: 50 °F
Chance
T-storms then
Mostly Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 56 °F
Mostly Clear

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.

Tuesday

A 40 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 80. Southeast wind around 5 mph becoming calm in the morning. Winds could gust as high as 17 mph.

Tuesday Night

Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 53. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

Wednesday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Light and variable wind.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 51. Light and variable wind.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. Light and variable wind. Winds could gust as high as 15 mph.

Thursday Night

A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.

Friday

Sunny, with a high near 80.

Friday Night

Mostly clear, with a low around 56.