Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Thunderstorm in Vicinity Rain

70°F

21°C

Humidity	69%
Wind Speed	NW 13 mph
Barometer	30.01 in
Dewpoint	59°F (15°C)
Visibility	4.00 mi
Last update	15 Jul 12:35 am MDT

More Information:

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

Extended Forecast for

3 Miles WNW Whitewood SD

Overnight
Low: 62 °F
Chance
T-storms
Tuesday
High: 66 °F
Slight Chance
T-storms then
Chance
T-storms
Tuesday Night
Low: 52 °F
Showers
Likely then
Showers
Wednesday
High: 57 °F
Showers
Wednesday Night
Low: 50 °F
Chance
Showers
Thursday
High: 73 °F
Decreasing
Clouds
Thursday Night
Low: 58 °F
Slight Chance
T-storms then
Chance
Showers
Friday
High: 79 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 59 °F
Chance
T-storms

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 62. South wind around 5 mph.

Tuesday

A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a steady temperature around 66. West wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

Showers and possibly a thunderstorm. Low around 52. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Wednesday

Showers and possibly a thunderstorm. High near 57. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 73. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 58. Southeast wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

Friday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

Friday Night

A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 59.

Saturday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.

Saturday Night

A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 61.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 63.

Monday

Sunny, with a high near 84.