Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from October 10, 06:00 PM MDT until October 12, 06:00 AM MDT

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

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

unknown precip

43°F

6°C

Humidity	89%
Wind Speed	NNE 0 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	10 Oct 04:00 PM MDT

More Information:

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

Extended Forecast for

6 Miles W Lewistown Municipal MT

Winter Weather Advisory October 10, 06:00pm until October 12, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 42 °F
Rain
Tonight
Low: 28 °F
Rain/Snow
then Snow
Sunday
High: 34 °F
Snow
Sunday Night
Low: 24 °F
Snow
Columbus Day
High: 35 °F
Snow then
Slight Chance
Rain/Snow
Monday Night
Low: 23 °F
Mostly Cloudy
Tuesday
High: 50 °F
Sunny
Tuesday Night
Low: 26 °F
Mostly Clear
Wednesday
High: 58 °F
Sunny

Detailed Forecast

This Afternoon

Rain. Steady temperature around 42. North northwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

Tonight

Rain, possibly mixed with snow, becoming all snow after 7pm. Low around 28. North northwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Sunday

Snow. High near 34. Northeast wind 8 to 13 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Sunday Night

Snow. Low around 24. North northeast wind 9 to 11 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Columbus Day

Snow before 3pm, then a slight chance of rain and snow. High near 35. North wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Monday Night

Mostly cloudy, with a low around 23. Calm wind becoming south southeast around 6 mph in the evening.

Tuesday

Sunny, with a high near 50. Calm wind.

Tuesday Night

Mostly clear, with a low around 26. Calm wind.

Wednesday

Sunny, with a high near 58.

Wednesday Night

A slight chance of rain after midnight. Mostly clear, with a low around 31.

Thursday

A slight chance of rain. Mostly sunny, with a high near 57.