Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Sioux Pass MT-16 MP 21 (MTSOO)

Lat: 47.91973°NLon: 104.32619°WElev: 2480.0ft.

87°F

31°C

Humidity	24%
Wind Speed	SE 9 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Heat Index	84°F (29°C)
Last update	27 Aug 02:45 PM MDT

More Information:

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

Extended Forecast for

10 Miles NE Lambert MT

Tonight
Low: 63 °F
Mostly Cloudy
then Chance
Showers
Friday
High: 89 °F
Slight Chance
T-storms then
Slight Chance
Showers
Friday Night
Low: 63 °F
Chance
Showers then
Slight Chance
T-storms
Saturday
High: 82 °F
Chance
Showers
Saturday Night
Low: 55 °F
Chance
Showers then
Slight Chance
T-storms
Sunday
High: 79 °F
Chance
T-storms then
Showers
Likely
Sunday Night
Low: 50 °F
Chance
Showers then
Mostly Clear
Monday
High: 78 °F
Sunny
Monday Night
Low: 52 °F
Mostly Clear

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Increasing clouds, with a low around 63. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Friday

A slight chance of showers and thunderstorms before 8am, then a slight chance of showers after 4pm. Partly sunny, with a high near 89. South southeast wind 6 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 20%.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly between 11pm and midnight. Mostly cloudy, with a low around 63. North wind 3 to 5 mph.

Saturday

A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 82. Northwest wind 5 to 9 mph becoming east northeast in the afternoon.

Saturday Night

A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 55. East wind 5 to 8 mph.

Sunday

A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Southeast wind 5 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of showers before midnight. Partly cloudy, with a low around 50. West wind 11 to 16 mph, with gusts as high as 28 mph.

Monday

Sunny, with a high near 78. West southwest wind 14 to 21 mph, with gusts as high as 36 mph.

Monday Night

Mostly clear, with a low around 52. West wind 5 to 13 mph, with gusts as high as 23 mph.

Tuesday

A 20 percent chance of showers before noon. Sunny, with a high near 83. South southwest wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 53. East southeast wind 7 to 9 mph.

Wednesday

Mostly sunny, with a high near 85.

Wednesday Night

A slight chance of showers. Partly cloudy, with a low around 55.

Thursday

A slight chance of showers. Mostly sunny, with a high near 81.