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.

Fair

81°F

27°C

Humidity	42%
Wind Speed	S 13 mph
Barometer	29.88 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	14 Jul 8:15 pm MDT

More Information:

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

Extended Forecast for

Spearfish SD

Tonight
Low: 62 °F
Chance
T-storms
Tuesday
High: 66 °F
Slight Chance
T-storms then
T-storms
Likely
Tuesday Night
Low: 53 °F
Showers
Wednesday
High: 58 °F
Showers
Wednesday Night
Low: 50 °F
Chance
Showers
Thursday
High: 74 °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

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 62. South wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday

Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a steady temperature around 66. Southwest wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

Tuesday Night

Showers and possibly a thunderstorm. Low around 53. 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 58. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East wind 5 to 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 74. East wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 58. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 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 northeast in the afternoon. Winds could gust as high as 15 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 81.

Saturday Night

A chance of showers and thunderstorms. 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.