Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

MAIN BOULDER (MBRM8)

Lat: 45.45813°NLon: 110.19768°WElev: 5405.0ft.

82°F

28°C

Humidity	24%
Wind Speed	N 2 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Heat Index	80°F (27°C)
Last update	26 Aug 02:39 PM MDT

More Information:

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

Extended Forecast for

19 Miles ESE Livingston MT

This Afternoon
High: 85 °F
Chance
T-storms
Tonight
Low: 61 °F
Chance
Showers then
Mostly Cloudy
Thursday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 61 °F
Chance
Showers then
Partly Cloudy
Friday
High: 82 °F
Partly Sunny
then Showers
Likely
Friday Night
Low: 58 °F
Showers
Likely
Saturday
High: 76 °F
Showers
Saturday Night
Low: 52 °F
Showers
Likely
Sunday
High: 71 °F
Showers
Likely then
Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 85. West southwest wind around 6 mph becoming north northwest.

Tonight

A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 61. Light and variable wind becoming south southwest 5 to 8 mph in the evening. Chance of precipitation is 40%.

Thursday

A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Increasing clouds, with a high near 89. South southwest wind 5 to 8 mph becoming light and variable.

Thursday Night

A slight chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 61. South southwest wind 7 to 11 mph. Chance of precipitation is 40%.

Friday

Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 82. South southwest wind 7 to 10 mph. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South southwest wind 7 to 9 mph. Chance of precipitation is 70%.

Saturday

Showers likely, then showers and possibly a thunderstorm after noon. High near 76. West southwest wind 8 to 10 mph. Chance of precipitation is 80%.

Saturday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 52. South southwest wind 8 to 11 mph. Chance of precipitation is 70%.

Sunday

Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. West wind 8 to 16 mph. Chance of precipitation is 60%.

Sunday Night

A 30 percent chance of showers before midnight. Partly cloudy, with a low around 47. West wind 10 to 18 mph becoming south southwest after midnight.

Monday

Sunny, with a high near 77. South southwest wind 8 to 11 mph becoming west northwest in the afternoon.

Monday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54. Northwest wind 8 to 14 mph becoming south in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. South southwest wind 8 to 14 mph.

Tuesday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. South southwest wind 9 to 14 mph.

Wednesday

A chance of showers. Mostly sunny, with a high near 78. South southwest wind 10 to 13 mph.