Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East and West

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

54°F

12°C

Humidity	100%
Wind Speed	E 10 mph
Barometer	30.18 in
Dewpoint	54°F (12°C)
Visibility	9.00 mi
Wind Chill	51°F (11°C)
Last update	16 Jul 5:35 pm MDT

More Information:

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

Extended Forecast for

3 Miles WSW Lead SD

This Afternoon
High: 48 °F
Slight Chance
T-storms and
Areas Fog
Tonight
Low: 41 °F
Areas Fog
Thursday
High: 70 °F
Patchy Fog
then Mostly
Sunny
Thursday Night
Low: 52 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 70 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 53 °F
Chance
T-storms
Saturday
High: 72 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 55 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 77 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Areas of fog. Otherwise, cloudy, with a steady temperature around 48. East wind around 5 mph, with gusts as high as 15 mph.

Tonight

Areas of fog. Otherwise, cloudy, with a low around 41. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

Thursday

Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 70. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

Friday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 70. West wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

Friday Night

A 40 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 53. East wind around 5 mph becoming south in the evening.

Saturday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

Sunday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 77.

Sunday Night

A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57.

Monday

Sunny, with a high near 77.

Monday Night

Mostly clear, with a low around 54.

Tuesday

A slight chance of showers and thunderstorms. Sunny, with a high near 78.

Tuesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.