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

Butte, Bert Mooney Airport (KBTM)

Lat: 45.95472°NLon: 112.4975°WElev: 5545.0ft.

Clear

61°F

16°C

Humidity	72%
Wind Speed	NW 6 MPH
Barometer	30.15 in (1021.0 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	16 Aug 09:35 PM MDT

More Information:

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

Extended Forecast for

12 Miles NNE Dewey MT

Tonight
Low: 52 °F
Chance
Showers then
Haze
Sunday
High: 71 °F
Haze then
Showers
Likely
Sunday Night
Low: 53 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 76 °F
Mostly Sunny
Monday Night
Low: 55 °F
Partly Cloudy
Tuesday
High: 82 °F
Sunny
Tuesday Night
Low: 56 °F
Partly Cloudy
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 52 °F
Partly Cloudy

Detailed Forecast

Tonight

A 30 percent chance of showers before midnight. Widespread haze between 11pm and 4am. Mostly cloudy, with a low around 52. West northwest wind 5 to 7 mph becoming light and variable after midnight.

Sunday

Showers likely and possibly a thunderstorm after noon. Widespread haze before 7am. Partly sunny, with a high near 71. Light and variable wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 53. South southwest wind 6 to 8 mph becoming west northwest in the evening. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Mostly sunny, with a high near 76. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

Monday Night

Partly cloudy, with a low around 55. West southwest wind 5 to 9 mph becoming north in the evening.

Tuesday

Sunny, with a high near 82.

Tuesday Night

Partly cloudy, with a low around 56.

Wednesday

Sunny, with a high near 80.

Wednesday Night

Partly cloudy, with a low around 52.