Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Butte, Bert Mooney Airport (KBTM)

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

Partly Cloudy

58°F

14°C

Humidity	71%
Wind Speed	N 0 MPH
Barometer	30.16 in (1021.34 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	17 Aug 08:53 AM MDT

More Information:

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

Extended Forecast for

Butte MT

Today
High: 74 °F
Haze then
Showers
Likely
Tonight
Low: 49 °F
Chance
T-storms then
Haze
Monday
High: 79 °F
Haze then
Slight Chance
T-storms
Monday Night
Low: 52 °F
Mostly Clear
Tuesday
High: 86 °F
Sunny
Tuesday Night
Low: 53 °F
Partly Cloudy
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 50 °F
Partly Cloudy
Thursday
High: 79 °F
Sunny

Detailed Forecast

Today

Showers likely and possibly a thunderstorm after noon. Widespread haze before 1pm. Mostly cloudy, with a high near 74. Calm wind becoming west northwest 5 to 8 mph 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. Widespread haze after 5am. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%.

Monday

A 20 percent chance of showers and thunderstorms after noon. Widespread haze before 7am. Mostly sunny, with a high near 79. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Mostly clear, with a low around 52. West southwest wind 5 to 9 mph becoming calm after midnight.

Tuesday

Sunny, with a high near 86. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

Tuesday Night

Partly cloudy, with a low around 53.

Wednesday

Sunny, with a high near 84.

Wednesday Night

Partly cloudy, with a low around 50.

Thursday

Sunny, with a high near 79.