Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

86°F

30°C

Humidity	27%
Wind Speed	NE 9 G 15 mph
Barometer	30.11 in
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	4 Jul 4:35 pm MDT

More Information:

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

Extended Forecast for

2 Miles SE Saint Onge SD

Tonight
Low: 63 °F
Mostly Clear
Sunday
High: 96 °F
Sunny
Sunday Night
Low: 67 °F
Breezy.
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 91 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 63 °F
Chance
T-storms
Tuesday
High: 89 °F
Slight Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 61 °F
Showers
Likely then
Slight Chance
T-storms
Wednesday
High: 85 °F
Partly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 60 °F
Chance
T-storms

Detailed Forecast

Tonight

Mostly clear, with a low around 63. East wind 5 to 9 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

Sunday

Sunny, with a high near 96. South wind 5 to 10 mph becoming southeast 13 to 18 mph in the morning. Winds could gust as high as 29 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 67. Breezy, with a southeast wind 17 to 22 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 33 mph.

Monday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Southwest wind 6 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 63. East wind 8 to 15 mph, with gusts as high as 22 mph.

Tuesday

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. East wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

Wednesday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.

Wednesday Night

A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 60.

Thursday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 60.

Friday

A slight chance of showers and thunderstorms. Sunny, with a high near 89.

Friday Night

Mostly clear, with a low around 62.