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.

Overcast

51°F

11°C

Humidity	82%
Wind Speed	N 0 MPH
Barometer	30.15 in (1021.0 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	17 Aug 04:53 AM MDT

More Information:

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

Extended Forecast for

Detailed Forecast

Today

Showers likely and possibly a thunderstorm after noon. Widespread haze before 10am. Mostly cloudy, with a high near 69. South southwest wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Southwest wind 5 to 7 mph becoming southeast in the evening. Chance of precipitation is 40%.

Monday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

Monday Night

Partly cloudy, with a low around 51. West wind 6 to 9 mph becoming north in the evening.

Tuesday

Sunny, with a high near 81. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.

Tuesday Night

Partly cloudy, with a low around 52.

Wednesday

Sunny, with a high near 79.

Wednesday Night

Partly cloudy, with a low around 49.

Thursday

Sunny, with a high near 75.