Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48° N Lon: 103.78° W Elev: 3898 ft.

Fair

72°F

22°C

Humidity	53%
Wind Speed	NE 6 mph
Barometer	30.13 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	3 Aug 9:35 am MDT

More Information:

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

Detailed forecast for

Northern Black Hills

Rest Of Today

Mostly sunny in the morning then becoming partly cloudy. Highs in the 70s. Southeast winds 10 to 15 mph.

Tonight

Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph.

Tuesday

Mostly cloudy. Chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the 70s. Northwest winds 5 to 10 mph. Chance of precipitation 60 percent.

Tuesday Night

Mostly clear. A 30 percent chance of showers and thunderstorms in the evening. Lows in the upper 40s to mid 50s. Northwest winds 5 to 10 mph.

Wednesday

Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the 70s. North winds 5 to 10 mph.

Wednesday Night

Clear. Lows in the lower to mid 50s.

Thursday

Sunny in the morning then becoming partly cloudy. A 20 percent chance of showers and thunderstorms. Highs near 80.

Thursday Night

Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 50s to lower 60s.

Friday

Sunny. Highs in the 80s.