Heat Continues in the Northeast and Northwest U.S.; Areas of Flash Flooding In the Ohio Valley and Southwest

Dangerous heat will continue to impact portions of the interior Northwest and Northeast U.S. Some relief is expected by Wednesday for the Northeast. Monsoon showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Great Basin this week. Thunderstorms, some severe, may produce excessive rainfall from the Ohio Valley to the Central Appalachians. Read More >

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Current conditions at

MacDonald Pass US-12 MP 27.9 (MTMDP)

Lat: 46.56148°NLon: 112.30931°WElev: 6325ft.

N/A

65°F

18°C

Humidity	38%
Wind Speed	NNE 9 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	10 Aug 04:26 AM MDT

More Information:

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

Extended Forecast for

Marysville MT

Today

Mostly Sunny
then Slight
Chance
Showers
High: 82 °F
Tonight

Chance
Showers
Low: 62 °F
Thursday

Partly Sunny
then Slight
Chance
Showers
High: 79 °F
Thursday
Night

Slight Chance
T-storms then
Partly Cloudy
Low: 62 °F
Friday

Mostly Sunny
then Chance
Showers
High: 80 °F
Friday
Night

Chance
T-storms then
Partly Cloudy
Low: 61 °F
Saturday

Mostly Sunny
then Chance
T-storms
High: 79 °F
Saturday
Night

Slight Chance
T-storms then
Mostly Clear
Low: 58 °F
Sunday

Sunny
High: 76 °F

Detailed Forecast

Today

A 20 percent chance of showers after 5pm. Increasing clouds, with a high near 82. East southeast wind 5 to 9 mph becoming west northwest in the afternoon.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northwest wind 9 to 11 mph becoming southwest after midnight. Chance of precipitation is 40%.

Thursday

A 20 percent chance of showers after noon. Cloudy, then gradually becoming mostly sunny, with a high near 79. West wind around 9 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. West wind 6 to 8 mph.

Friday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. West wind 6 to 8 mph becoming east in the afternoon.

Friday Night

A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. Southeast wind 6 to 8 mph becoming southwest in the evening.

Saturday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

Saturday Night

A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 58. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.

Sunday

Sunny, with a high near 76.

Sunday Night

Mostly clear, with a low around 57.

Monday

Sunny, with a high near 76.

Monday Night

Mostly clear, with a low around 58.

Tuesday

Sunny, with a high near 76.