Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

79°F

26°C

Humidity	45%
Wind Speed	E 7 mph
Barometer	29.98 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	12 Aug 9:15 am MDT

More Information:

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

Extended Forecast for

Colony WY

Today
High: 83 °F
Slight Chance
Showers then
T-storms
Likely
Tonight
Low: 54 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 77 °F
Chance
Showers then
Chance
T-storms and
Breezy
Thursday Night
Low: 54 °F
Showers and
Breezy
Friday
High: 79 °F
Showers
Likely
Friday Night
Low: 51 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 75 °F
Showers
Likely then
Chance
T-storms
Saturday Night
Low: 50 °F
Showers
Likely
Sunday
High: 80 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

A slight chance of showers, then showers and thunderstorms likely after noon. Areas of smoke before noon. Mostly cloudy, with a high near 83. East wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

Tonight

A 50 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 54. East wind 7 to 11 mph, with gusts as high as 22 mph.

Thursday

A chance of showers, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 77. Breezy, with a southeast wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 50%.

Thursday Night

Showers and possibly a thunderstorm. Low around 54. Breezy, with an east wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%.

Friday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 79. Southeast wind 8 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

Friday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. North wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 22 mph.

Saturday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 50.

Sunday

A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 80.

Sunday Night

A chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.

Monday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.