Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Hazardous Weather Conditions

Heat Advisory until July 13, 09:00 PM MDT

Current conditions at

Gary Cooper Bridge I-15 MP 242 (MTYEP)

Lat: 47.13948°NLon: 111.85908°WElev: 3427.0ft.

85°F

29°C

Humidity	30%
Wind Speed	S 3 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Heat Index	83°F (28°C)
Last update	12 Jul 11:30 AM MDT

More Information:

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

Extended Forecast for

12 Miles SSE Cascade MT

Heat Advisory July 12, 11:53am until July 13, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 12, 11:53am until July 13, 09:00pm
NOW until 9:00pm Mon
Heat Advisory
Today
High: 89 °F
Partly Sunny
Tonight
Low: 66 °F
Mostly Cloudy
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 67 °F
Chance
Showers then
Mostly Cloudy
Tuesday
High: 79 °F
Partly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 64 °F
Showers
Wednesday
High: 78 °F
Showers
Likely
Wednesday Night
Low: 63 °F
Chance
Showers then
Mostly Clear

Detailed Forecast

Today

Partly sunny, with a high near 89. South southwest wind 5 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

Tonight

Mostly cloudy, with a low around 66. Northwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 21 mph.

Monday

Mostly sunny, with a high near 84. South wind around 5 mph becoming calm.

Monday Night

A slight chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 67. North wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%.

Tuesday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. Calm wind becoming north northeast around 6 mph in the afternoon. Chance of precipitation is 20%.

Tuesday Night

Showers and possibly a thunderstorm before 3am, then showers likely. Low around 64. North wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%.

Wednesday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 60%.

Wednesday Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. North wind around 5 mph becoming calm after midnight.

Thursday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.

Thursday Night

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.

Friday

Sunny, with a high near 84.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 63.

Saturday

Sunny, with a high near 81.