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

72°F

22°C

Humidity	65%
Wind Speed	S 6 mph
Barometer	29.92 in
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	14 Jul 10:35 pm MDT

More Information:

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

Extended Forecast for

10 Miles SSE Colony WY

Tonight
Low: 63 °F
Chance
T-storms
Tuesday
High: 73 °F
Slight Chance
T-storms then
Chance
T-storms
Tuesday Night
Low: 52 °F
Showers
Wednesday
High: 57 °F
Showers
Wednesday Night
Low: 50 °F
Chance
Showers
Thursday
High: 77 °F
Decreasing
Clouds
Thursday Night
Low: 57 °F
Chance
T-storms then
Chance
Showers
Friday
High: 82 °F
Mostly Sunny
Friday Night
Low: 57 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph becoming west after midnight.

Tuesday

A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 73. Northwest wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.

Tuesday Night

Showers and possibly a thunderstorm. Low around 52. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Wednesday

Showers and possibly a thunderstorm. Steady temperature around 57. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 77. East wind 10 to 15 mph, with gusts as high as 20 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57. East wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

Friday

Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

Saturday

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

Saturday Night

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

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 62.