Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Comertown Turn-Off MT-5 MP 13.4 (MTCOM)

Lat: 48.81°NLon: 104.2529°WElev: 2359.0ft.

82°F

28°C

Humidity	27%
Wind Speed	SSE 11 MPH
Barometer	NA
Dewpoint	45°F (7°C)
Visibility	NA
Heat Index	80°F (27°C)
Last update	27 Aug 02:15 PM MDT

More Information:

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

Extended Forecast for

Westby MT

This Afternoon
High: 83 °F
Becoming
Sunny
Tonight
Low: 61 °F
Partly Cloudy
then Chance
Showers
Friday
High: 86 °F
Chance
Showers then
Slight Chance
T-storms
Friday Night
Low: 60 °F
Slight Chance
T-storms
Saturday
High: 82 °F
Chance
Showers
Saturday Night
Low: 57 °F
Chance
Showers
Sunday
High: 78 °F
Chance
Showers then
Showers
Likely
Sunday Night
Low: 51 °F
Showers
Likely then
Chance
Showers
Monday
High: 75 °F
Slight Chance
Showers and
Breezy then
Sunny and
Windy

Detailed Forecast

This Afternoon

Partly sunny early, then becoming sunny, with a high near 83. Southeast wind around 16 mph, with gusts as high as 24 mph.

Tonight

A 30 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 61. East southeast wind 13 to 17 mph, with gusts as high as 26 mph.

Friday

A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. South southeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

Friday Night

A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 60. South southeast wind around 6 mph becoming north northwest after midnight. Chance of precipitation is 20%.

Saturday

A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 82. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. East southeast wind 6 to 11 mph, with gusts as high as 18 mph.

Sunday

A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 78. East southeast wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

Sunday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 51. West southwest wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Monday

A 20 percent chance of showers before noon. Mostly sunny, with a high near 75. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 41 mph.

Monday Night

Mostly clear, with a low around 51. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

Tuesday

Mostly sunny, with a high near 80. South southwest wind 6 to 10 mph.

Tuesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.

Wednesday

A slight chance of showers. Mostly sunny, with a high near 81.