Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Hazardous Weather Conditions

Fire Weather Watch in effect from September 2, 12:00 PM MDT until September 3, 12:00 AM MDT

Current conditions at

Butte, Bert Mooney Airport (KBTM)

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

Clear

73°F

23°C

Humidity	16%
Wind Speed	ESE 5 MPH
Barometer	30.08 in (1018.63 mb)
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	31 Aug 03:35 PM MDT

More Information:

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

Extended Forecast for

11 Miles E Divide MT

Fire Weather Watch September 2, 12:00pm until September 3, 12:00am

Click here for hazard details and duration

Fire Weather Watch

Tonight
Low: 47 °F
Increasing
Clouds
Tuesday
High: 68 °F
Mostly Sunny
then Slight
Chance Rain
Tuesday Night
Low: 47 °F
Showers then
Slight Chance
Rain
Wednesday
High: 62 °F
Slight Chance
Rain then
Chance
Showers
Wednesday Night
Low: 44 °F
Mostly Cloudy
Thursday
High: 59 °F
Mostly Sunny
Thursday Night
Low: 43 °F
Slight Chance
Rain then
Partly Cloudy
Friday
High: 62 °F
Mostly Sunny
then Chance
Showers
Friday Night
Low: 43 °F
Slight Chance
T-storms then
Chance Rain

Detailed Forecast

Tonight

Increasing clouds, with a low around 47. South southwest wind 5 to 8 mph becoming light and variable.

Tuesday

A 20 percent chance of rain after noon. Mostly sunny, with a high near 68. South wind 7 to 13 mph, with gusts as high as 22 mph.

Tuesday Night

Rain and possibly a thunderstorm before 1am, then a slight chance of rain after 5am. Low around 47. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. South wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 50%.

Wednesday Night

Mostly cloudy, with a low around 44. South southwest wind 8 to 18 mph, with gusts as high as 30 mph.

Thursday

Mostly sunny, with a high near 59.

Thursday Night

A 20 percent chance of rain before midnight. Partly cloudy, with a low around 43.

Friday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62.

Friday Night

A slight chance of showers and thunderstorms, then a chance of rain after midnight. Partly cloudy, with a low around 43.

Saturday

A slight chance of rain after noon. Mostly sunny, with a high near 63.