National Weather Service Forecast for: Lewistown MT
Issued by: National Weather Service Great Falls, MT
Updated: 10:03 am MST Dec 23, 2024
 
Today

Today: A 30 percent chance of rain, mainly between 1pm and 3pm. Mostly cloudy, with a high near 47. West wind 7 to 9 mph, with gusts as high as 20 mph.
Chance Rain

 Tonight

Tonight: Mostly clear, with a low around 25. West southwest wind 5 to 8 mph becoming southeast after midnight.
Mostly Clear

 Tuesday

Tuesday: Partly sunny, with a high near 49. South southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Partly Sunny

 Tuesday
Night
Tuesday Night: A chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 30. South wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Chance Rain
then Chance
Rain/Snow
 Christmas
Day
Christmas Day: Mostly sunny, with a high near 43. West wind around 7 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 24. South southwest wind 5 to 9 mph.
Partly Cloudy

 Thursday

Thursday: Mostly cloudy, with a high near 45. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Mostly Cloudy

 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 28. Southwest wind around 11 mph, with gusts as high as 22 mph.
Mostly Cloudy

 Friday

Friday: Mostly sunny, with a high near 45.
Mostly Sunny
Hi 47 °F Lo 25 °F Hi 49 °F Lo 30 °F Hi 43 °F Lo 24 °F Hi 45 °F Lo 28 °F Hi 45 °F

 

Today
 
 A 30 percent chance of rain, mainly between 1pm and 3pm. Mostly cloudy, with a high near 47. West wind 7 to 9 mph, with gusts as high as 20 mph.
Tonight
 
 Mostly clear, with a low around 25. West southwest wind 5 to 8 mph becoming southeast after midnight.
Tuesday
 
 Partly sunny, with a high near 49. South southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
 
 A chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 30. South wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Christmas Day
 
 Mostly sunny, with a high near 43. West wind around 7 mph.
Wednesday Night
 
 Partly cloudy, with a low around 24. South southwest wind 5 to 9 mph.
Thursday
 
 Mostly cloudy, with a high near 45. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Thursday Night
 
 Mostly cloudy, with a low around 28. Southwest wind around 11 mph, with gusts as high as 22 mph.
Friday
 
 Mostly sunny, with a high near 45.
Friday Night
 
 Partly cloudy, with a low around 27.
Saturday
 
 Partly sunny, with a high near 46.
Saturday Night
 
 Mostly cloudy, with a low around 27.
Sunday
 
 A slight chance of rain. Partly sunny, with a high near 47.

 

Forecast from NOAA-NWS for Lewistown MT.