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

Lewistown Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579°NLon: 109.26247°WElev: 4723.0ft.

62°F

17°C

Humidity	51%
Wind Speed	ESE 5 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	12 Jul 05:00 AM MDT

More Information:

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

Extended Forecast for

7 Miles WNW Grass Range MT

Heat Advisory July 12, 05:28am until July 13, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 12, 05:28am until July 13, 09:00pm
NOW until 9:00pm Mon
Heat Advisory
Today
High: 107 °F
Hot
Tonight
Low: 65 °F
Decreasing
Clouds
Monday
High: 94 °F
Sunny
Monday Night
Low: 63 °F
Partly Cloudy
Tuesday
High: 91 °F
Mostly Sunny
Tuesday Night
Low: 61 °F
Showers
Likely
Wednesday
High: 88 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 60 °F
Chance
T-storms then
Slight Chance
Showers

Detailed Forecast

Today

Sunny and hot, with a high near 107. Light and variable wind becoming south 13 to 18 mph in the morning. Winds could gust as high as 28 mph.

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 65. West wind 6 to 16 mph, with gusts as high as 24 mph.

Monday

Sunny, with a high near 94. West wind 5 to 13 mph becoming east in the morning. Winds could gust as high as 21 mph.

Monday Night

Partly cloudy, with a low around 63. East southeast wind 9 to 14 mph becoming light south southeast after midnight. Winds could gust as high as 21 mph.

Tuesday

Mostly sunny, with a high near 91. Light and variable wind becoming east northeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

Tuesday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 61. Northeast wind 8 to 13 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 88. Northeast wind 3 to 8 mph. Chance of precipitation is 50%.

Wednesday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 60. East northeast wind 5 to 7 mph becoming calm after midnight.

Thursday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 89.

Thursday Night

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

Friday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Friday Night

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

Saturday

Sunny, with a high near 90.