Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until July 26, 10:00 PM MDT

Current conditions at

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

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

65°F

18°C

Humidity	98%
Wind Speed	ESE 5 MPH
Barometer	NA
Dewpoint	64°F (18°C)
Visibility	NA
Last update	25 Jul 04:00 AM MDT

More Information:

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

Extended Forecast for

8 Miles SSW Westby MT

Extreme Heat Warning July 25, 04:23am until July 26, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 25, 04:23am until July 26, 10:00pm
NOW until 10:00pm Sun
Extreme Heat Warning
Today
High: 97 °F
Haze
Tonight
Low: 66 °F
Increasing
Clouds
Sunday
High: 93 °F
Mostly Sunny
then Sunny
and Breezy
Sunday Night
Low: 60 °F
Mostly Clear
Monday
High: 91 °F
Mostly Sunny
Monday Night
Low: 62 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 63 °F
Chance
T-storms

Detailed Forecast

Today

Widespread haze. Sunny and hot, with a high near 97. South southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

Tonight

Increasing clouds, with a low around 66. Northwest wind 5 to 9 mph becoming east after midnight.

Sunday

Sunny, with a high near 93. Breezy, with a west northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

Sunday Night

Mostly clear, with a low around 60. West northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.

Monday

Mostly sunny, with a high near 91. Light and variable wind becoming west 5 to 7 mph in the afternoon.

Monday Night

Mostly clear, with a low around 62. North northwest wind 7 to 9 mph becoming northeast after midnight.

Tuesday

Sunny, with a high near 90. North wind 7 to 10 mph becoming east in the afternoon.

Tuesday Night

A 40 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 63. Northeast wind 11 to 14 mph, with gusts as high as 20 mph.

Wednesday

Mostly sunny, with a high near 93. East southeast wind 9 to 11 mph, with gusts as high as 18 mph.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 63. East wind 9 to 11 mph.

Thursday

Mostly sunny, with a high near 90. North northwest wind 9 to 13 mph becoming east northeast in the afternoon. Winds could gust as high as 18 mph.

Thursday Night

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

Friday

Mostly sunny, with a high near 89.