Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

63°F

17°C

Humidity	100%
Wind Speed	S 6 mph
Barometer	30.29 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	31 Jul 1:55 am MDT

More Information:

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

Extended Forecast for

10 Miles SSE Colony WY

Overnight
Low: 59 °F
Showers
Likely
Thursday
High: 78 °F
Chance
Showers then
Slight Chance
T-storms
Thursday Night
Low: 58 °F
Scattered
T-storms then
Isolated
T-storms
Friday
High: 80 °F
Areas Smoke
then Slight
Chance
T-storms
Friday Night
Low: 59 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 82 °F
Partly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 59 °F
Chance
T-storms
Sunday
High: 80 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 58 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm before 3am, then scattered showers and thunderstorms after 3am. Mostly cloudy, with a low around 59. East wind 5 to 10 mph. Chance of precipitation is 60%.

Thursday

A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 78. East wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday Night

Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 58. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

Friday

A 20 percent chance of showers and thunderstorms after noon. Areas of smoke. Partly sunny, with a high near 80. East wind around 10 mph, with gusts as high as 20 mph.

Friday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. East wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. East wind 5 to 10 mph.

Saturday Night

A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 59. East wind 5 to 10 mph becoming west after midnight.

Sunday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

Sunday Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.

Monday

Sunny, with a high near 84.

Monday Night

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

Tuesday

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

Tuesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Wednesday

Sunny, with a high near 87.