Hurricane Isaias Approaching the Gulf Coast; Remnants of Rachel to Impact the Southwest U.S.

Hurricane Isaias is expected to make landfall along the U.S. northern Gulf Coast late Friday or early Saturday. A life-threatening storm surge is expected along the coast with damaging wind gusts extending well inland. Areas of heavy rainfall are forecast throughout much of the Southeast U.S. The remnants of Rachel will bring gusty winds and heavy rainfall to the Southwest U.S. this weekend. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from October 10, 06:00 PM MDT until October 11, 06:00 PM MDT

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

42°F

6°C

Humidity	62%
Wind Speed	ENE 0 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	08 Oct 11:30 PM MDT

More Information:

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

Extended Forecast for

Garrison MT

Winter Storm Watch October 10, 06:00pm until October 11, 06:00pm

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 35 °F
Mostly Cloudy
Friday
High: 79 °F
Mostly Sunny
Friday Night
Low: 34 °F
Mostly Cloudy
then Chance
Rain/Snow
Saturday
High: 51 °F
Chance Rain
then Rain
Saturday Night
Low: 20 °F
Rain/Snow and
Patchy
Blowing Snow
Sunday
High: 36 °F
Snow then
Chance Snow
Sunday Night
Low: 16 °F
Snow Likely
Columbus Day
High: 44 °F
Slight Chance
Snow then
Mostly Sunny
Monday Night
Low: 21 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 35. Light south southeast wind.

Friday

Mostly sunny, with a high near 79. South southeast wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 37 mph.

Friday Night

A chance of rain and snow after 5am. Mostly cloudy, with a low around 34. West northwest wind 11 to 16 mph becoming light north northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Saturday

Rain, mainly after noon. High near 51. Light north northwest wind becoming north northeast 10 to 15 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Rain and snow, becoming all snow after 3am. Patchy blowing snow between 2am and 3am. Snow level 7000 feet lowering to 4400 feet after midnight . Low around 20. Northeast wind 13 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Sunday

Snow, mainly before noon. High near 36. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Sunday Night

Snow likely. Mostly cloudy, with a low around 16. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Columbus Day

A slight chance of snow before noon. Snow level rising to 6300 feet in the afternoon. Partly sunny, with a high near 44.

Monday Night

Partly cloudy, with a low around 21.

Tuesday

Sunny, with a high near 56.

Tuesday Night

Partly cloudy, with a low around 27.