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

Extreme Heat Warning in effect from August 1, 12:00 PM MDT until August 2, 12:00 PM MDT
Red Flag Warning in effect from August 1, 02:00 PM MDT until August 2, 09:00 PM MDT

Current conditions at

Hays Site MT-66 MP 10.5 (MTHAY)

Lat: 47.91928°NLon: 108.72611°WElev: 3898.0ft.

89°F

32°C

Humidity	20%
Wind Speed	ESE 18 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Heat Index	85°F (29°C)
Last update	01 Aug 11:30 AM MDT

More Information:

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

Extended Forecast for

5 Miles WSW Zortman MT

Red Flag Warning August 1, 02:00pm until August 2, 09:00pm

Extreme Heat Warning August 1, 12:00pm until August 2, 12:00pm

Click here for hazard details and duration

Red Flag Warning

Extreme Heat Warning

Today
High: 99 °F
Hot
Tonight
Low: 71 °F
Mostly Cloudy
then Haze and
Breezy
Sunday
High: 82 °F
Haze and
Breezy
Sunday Night
Low: 52 °F
Mostly Clear
then Slight
Chance
Showers
Monday
High: 66 °F
Mostly Sunny
Monday Night
Low: 48 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 54 °F
Mostly Clear
Wednesday
High: 84 °F
Sunny

Detailed Forecast

Today

Sunny and hot, with a high near 99. Southeast wind 11 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.

Tonight

Widespread haze between 1am and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 71. Breezy, with a northwest wind 7 to 12 mph becoming northwest 18 to 23 mph in the evening. Winds could gust as high as 37 mph.

Sunday

Widespread haze between 7am and 1pm. Sunny, with a high near 82. Breezy, with a west northwest wind 18 to 23 mph, with gusts as high as 36 mph.

Sunday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 52. Northwest wind 13 to 21 mph, with gusts as high as 29 mph.

Monday

Mostly sunny, with a high near 66. West northwest wind 17 to 21 mph, with gusts as high as 30 mph.

Monday Night

Mostly clear, with a low around 48. Northwest wind 12 to 17 mph becoming light west after midnight. Winds could gust as high as 25 mph.

Tuesday

Sunny, with a high near 74. West wind 5 to 8 mph becoming north northwest in the afternoon.

Tuesday Night

Mostly clear, with a low around 54. North wind around 8 mph becoming south southeast after midnight.