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 Weather Advisory until October 12, 06:00 AM MDT

Current conditions at

Sweetgrass I-15 MP 395.3 (MTSWT)

Lat: 48.96017°NLon: 111.94071°WElev: 3471.0ft.

unknown precip

30°F

-1°C

Humidity	99%
Wind Speed	ESE 14 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Wind Chill	19°F (-7°C)
Last update	11 Oct 01:15 PM MDT

More Information:

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

Extended Forecast for

8 Miles NNW Sunburst MT

Winter Weather Advisory October 11, 01:38pm until October 12, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory October 11, 01:38pm until October 12, 06:00am
NOW until 6:00am Mon
Winter Weather Advisory
This Afternoon
High: 31 °F
Snow and
Patchy
Blowing Snow
Tonight
Low: 28 °F
Snow and
Patchy
Blowing Snow
Columbus Day
High: 36 °F
Chance Snow
then Mostly
Cloudy
Monday Night
Low: 21 °F
Mostly Cloudy
Tuesday
High: 48 °F
Sunny
Tuesday Night
Low: 27 °F
Mostly Clear
Wednesday
High: 57 °F
Mostly Sunny
Wednesday Night
Low: 34 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Snow. Patchy blowing snow. High near 31. North northeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow, mainly before 5am. Patchy blowing snow before 9pm. Steady temperature around 28. North northeast wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Columbus Day

A 40 percent chance of snow, mainly before 8am. Cloudy, with a high near 36. North wind 5 to 13 mph becoming south in the morning. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.

Monday Night

Mostly cloudy, with a low around 21. South wind 9 to 17 mph, with gusts as high as 24 mph.

Tuesday

Sunny, with a high near 48. West southwest wind 5 to 8 mph becoming northwest in the afternoon.

Tuesday Night

Mostly clear, with a low around 27. Light west southwest wind becoming south southwest 5 to 10 mph in the evening.

Wednesday

Mostly sunny, with a high near 57. South wind 13 to 15 mph, with gusts as high as 23 mph.

Wednesday Night

Partly cloudy, with a low around 34. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

Thursday

Mostly sunny, with a high near 56.