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.

64°F

18°C

Humidity	67%
Wind Speed	NW 2 MPH
Barometer	NA
Dewpoint	53°F (12°C)
Visibility	NA
Last update	26 Jul 04:00 AM MDT

More Information:

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

Extended Forecast for

3 Miles WNW Westby MT

Extreme Heat Warning July 26, 04:28am until July 26, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 26, 04:28am until July 26, 10:00pm
NOW until 10:00pm Sun
Extreme Heat Warning
Today
High: 92 °F
Haze
Tonight
Low: 60 °F
Haze
Monday
High: 91 °F
Haze
Monday Night
Low: 61 °F
Haze then
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear
then Slight
Chance
T-storms
Wednesday
High: 93 °F
Mostly Sunny
Wednesday Night
Low: 63 °F
Chance
T-storms

Detailed Forecast

Today

Widespread haze after 10am. Sunny, with a high near 92. West northwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

Tonight

Widespread haze. Mostly clear, with a low around 60. Northwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

Monday

Widespread haze. Sunny, with a high near 91. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

Monday Night

Widespread haze before 7pm. Mostly clear, with a low around 61. North northeast wind 5 to 10 mph.

Tuesday

Sunny, with a high near 91. North wind 5 to 11 mph becoming east in the afternoon.

Tuesday Night

A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 64. East wind 11 to 16 mph, with gusts as high as 24 mph.

Wednesday

Mostly sunny, with a high near 93. Southeast wind around 10 mph becoming east northeast in the afternoon.

Wednesday Night

A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 63. South wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph.

Thursday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. North northeast wind 9 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 61. East northeast wind 8 to 11 mph, with gusts as high as 18 mph.

Friday

Sunny, with a high near 88. East wind 8 to 11 mph, with gusts as high as 18 mph.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Saturday

Sunny, with a high near 90.