Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Lake Wind Advisory in effect from June 16, 01:00 PM MDT until June 17, 08:00 PM MDT

Current conditions at

BIG SHEEP MOUNTAIN (LCFM8)

Lat: 47.02819°NLon: 105.80472°WElev: 3172.0ft.

56°F

13°C

Humidity	85%
Wind Speed	NW 18 MPH
Barometer	NA
Dewpoint	52°F (11°C)
Visibility	NA
Last update	16 Jun 11:08 PM MDT

More Information:

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

Extended Forecast for

13 Miles WSW Brockway MT

Lake Wind Advisory until June 17, 08:00pm

Click here for hazard details and duration

Lake Wind Advisory

Lake Wind Advisory until June 17, 08:00pm
NOW until 8:00pm Wed
Lake Wind Advisory
Overnight
Low: 53 °F
Chance
Showers and
Breezy
Wednesday
High: 66 °F
Breezy.
Slight Chance
Showers then
Showers
Likely
Wednesday Night
Low: 46 °F
Chance
Showers then
Mostly Cloudy
Thursday
High: 70 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 46 °F
Partly Cloudy
Juneteenth
High: 73 °F
Sunny
Friday Night
Low: 51 °F
Partly Cloudy
Saturday
High: 77 °F
Partly Sunny

Detailed Forecast

Overnight

A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 53. Breezy, with a west northwest wind 13 to 22 mph, with gusts as high as 30 mph.

Wednesday

A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 66. Breezy, with a west northwest wind 20 to 29 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 46. West northwest wind 5 to 15 mph, with gusts as high as 28 mph.

Thursday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

Thursday Night

Partly cloudy, with a low around 46. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

Juneteenth

Sunny, with a high near 73. Light and variable wind becoming north northwest 5 to 7 mph in the morning.

Friday Night

Partly cloudy, with a low around 51. North northeast wind 6 to 8 mph becoming east southeast after midnight.

Saturday

Partly sunny, with a high near 77. East southeast wind 10 to 17 mph, with gusts as high as 28 mph.

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. East southeast wind 11 to 18 mph, with gusts as high as 28 mph.

Sunday

A 40 percent chance of showers. Partly sunny, with a high near 71. South southeast wind 11 to 15 mph becoming north northwest in the morning. Winds could gust as high as 24 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 49. Northwest wind 6 to 15 mph, with gusts as high as 24 mph.

Monday

A chance of showers. Partly sunny, with a high near 71.

Monday Night

Partly cloudy, with a low around 48.

Tuesday

Sunny, with a high near 75.