Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Winter Storm Warning until October 12, 06:00 AM MDT

Current conditions at

TOSTON (TOSM)

Lat: 46.12222°NLon: 111.49472°WElev: 4058.0ft.

32°F

0°C

Humidity	96%
Wind Speed	NNE 7 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Wind Chill	25°F (-4°C)
Last update	11 Oct 10:00 AM MDT

More Information:

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

Extended Forecast for

8 Miles NE Trident MT

Winter Storm Warning October 11, 10:58am until October 12, 06:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning October 11, 10:58am until October 12, 06:00am
NOW until 6:00am Mon
Winter Storm Warning
Today
High: 32 °F
Rain/Snow
Likely then
Rain/Snow
Tonight
Low: 25 °F
Rain/Snow and
Patchy
Blowing Snow
Columbus Day
High: 38 °F
Chance
Rain/Snow
then Mostly
Cloudy
Monday Night
Low: 22 °F
Mostly Cloudy
Tuesday
High: 42 °F
Partly Sunny
Tuesday Night
Low: 24 °F
Partly Cloudy
Wednesday
High: 48 °F
Mostly Sunny
Wednesday Night
Low: 28 °F
Partly Cloudy

Detailed Forecast

Today

Rain, possibly mixed with snow. High near 32. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

Tonight

Rain and snow, becoming all snow after 8pm. Patchy blowing snow between 10pm and 4am. Low around 25. North wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Columbus Day

A chance of snow, possibly mixing with rain after 10am, then gradually ending. Mostly cloudy, with a high near 38. North wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Monday Night

Mostly cloudy, with a low around 22. Light south southeast wind.

Tuesday

Partly sunny, with a high near 42. Light and variable wind.

Tuesday Night

Partly cloudy, with a low around 24. Calm wind.

Wednesday

Mostly sunny, with a high near 48. Light south southeast wind.

Wednesday Night

Partly cloudy, with a low around 28. Calm wind.

Thursday

Mostly sunny, with a high near 51.