Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

unknown precip

61°F

16°C

Humidity	89%
Wind Speed	E 4 MPH
Barometer	NA
Dewpoint	58°F (14°C)
Visibility	NA
Last update	16 Aug 09:30 PM MDT

More Information:

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

Extended Forecast for

10 Miles NW Elliston MT

Tonight
Low: 50 °F
Chance
Showers then
Haze
Sunday
High: 75 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 49 °F
Slight Chance
T-storms then
Mostly Clear
Monday
High: 81 °F
Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 51 °F
Partly Cloudy
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 48 °F
Mostly Clear

Detailed Forecast

Tonight

A 30 percent chance of showers before midnight. Widespread haze before 4am. Areas of smoke before 10pm. Mostly cloudy, with a low around 50. North wind 5 to 7 mph becoming calm after midnight.

Sunday

A 50 percent chance of showers and thunderstorms after noon. Widespread haze before 5pm. Areas of smoke after 5pm. Partly sunny, with a high near 75. Calm wind becoming west 5 to 9 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. West wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 20%.

Monday

Sunny, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Mostly clear, with a low around 51. West wind 5 to 8 mph becoming calm after midnight.

Tuesday

Sunny, with a high near 87.

Tuesday Night

Partly cloudy, with a low around 51.

Wednesday

Sunny, with a high near 84.

Wednesday Night

Mostly clear, with a low around 48.