National Weather Service Forecast for: Lewistown MT
Issued by: National Weather Service Great Falls, MT
Updated: 8:14 pm MST Nov 14, 2024
 
Tonight

Tonight: Mostly clear, with a low around 24. West southwest wind around 6 mph becoming light and variable after midnight.
Mostly Clear

 Friday

Friday: Rain, possibly mixed with snow, mainly after 5pm. High near 46. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Partly Sunny
then
Rain/Snow
 Friday
Night
Friday Night: Rain and snow, becoming all snow after 7pm. Low around 23. North wind 5 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Rain/Snow
then Snow

 Saturday

Saturday: Snow likely before 11am. Cloudy through mid morning, then gradual clearing, with a high near 39. West wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Snow Likely
then Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 21. Southwest wind 5 to 10 mph.
Mostly Clear

 Sunday

Sunday: Mostly sunny, with a high near 48. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 28. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Chance Rain
then Chance
Rain/Snow
 Monday

Monday: A chance of rain and snow before 8am, then a chance of snow. Partly sunny, with a high near 40. West northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Chance
Rain/Snow
then Slight
Chance Snow
 Monday
Night
Monday Night: A slight chance of snow. Mostly cloudy, with a low around 17.
Slight Chance
Snow
Lo 24 °F Hi 46 °F Lo 23 °F Hi 39 °F Lo 21 °F Hi 48 °F Lo 28 °F Hi 40 °F Lo 17 °F

 

Tonight
 
 Mostly clear, with a low around 24. West southwest wind around 6 mph becoming light and variable after midnight.
Friday
 
 Rain, possibly mixed with snow, mainly after 5pm. High near 46. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
 
 Rain and snow, becoming all snow after 7pm. Low around 23. North wind 5 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday
 
 Snow likely before 11am. Cloudy through mid morning, then gradual clearing, with a high near 39. West wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
 
 Mostly clear, with a low around 21. Southwest wind 5 to 10 mph.
Sunday
 
 Mostly sunny, with a high near 48. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday Night
 
 A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 28. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
 
 A chance of rain and snow before 8am, then a chance of snow. Partly sunny, with a high near 40. West northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
 
 A slight chance of snow. Mostly cloudy, with a low around 17.
Tuesday
 
 Mostly sunny, with a high near 35.
Tuesday Night
 
 Mostly clear, with a low around 14.
Wednesday
 
 Sunny, with a high near 39.
Wednesday Night
 
 Partly cloudy, with a low around 19.
Thursday
 
 A slight chance of rain and snow. Mostly sunny, with a high near 48.

 

Forecast from NOAA-NWS for Lewistown MT.