Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Red Flag Warning until August 2, 09:00 PM MDT

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

N/A

Humidity	NA
Wind Speed	SSW 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

14 Miles ESE Big Sky MT

Red Flag Warning August 2, 08:49am until August 2, 09:00pm

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning August 2, 08:49am until August 2, 09:00pm
NOW until 9:00pm Sun
Red Flag Warning
Today
High: 72 °F
Patchy Smoke
Tonight
Low: 42 °F
Patchy Smoke
Monday
High: 56 °F
Patchy Smoke
Monday Night
Low: 39 °F
Patchy Smoke
then Mostly
Clear
Tuesday
High: 60 °F
Sunny
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 66 °F
Sunny
Wednesday Night
Low: 46 °F
Mostly Clear

Detailed Forecast

Today

Patchy smoke before 3pm. Increasing clouds, with a high near 72. West southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

Tonight

Patchy smoke between 7pm and 5am. Partly cloudy, with a low around 42. West wind 11 to 18 mph becoming north in the evening. Winds could gust as high as 30 mph.

Monday

Patchy smoke. Sunny, with a high near 56. North wind 8 to 11 mph, with gusts as high as 20 mph.

Monday Night

Patchy smoke before 7pm. Mostly clear, with a low around 39. North wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.

Tuesday

Sunny, with a high near 60. Light and variable wind becoming north northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 41. North northwest wind 6 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

Wednesday

Sunny, with a high near 66. South southwest wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

Wednesday Night

Mostly clear, with a low around 46. West northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

Thursday

Sunny, with a high near 72.

Thursday Night

Mostly clear, with a low around 51.