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Lewistown, MT

7-Day Forecast

Tonight
Chance Snow
Low:
A 50% chance of snow.
Cloudy with a low around 0.
Wind chill values as low as -10.
West northwest wind 6 to 8 mph
with gusts as high as 20 mph.
Total nighttime snow accumulation of less than one inch possible.


Saturday
Snow Likely then Chance Snow
High:
Snow likely, mainly before 2pm.
Cloudy,
then gradually becoming mostly sunny and cold with a temperature falling to around -7 by 5pm.
Wind chill values as low as -25.
Northwest wind 13 to 18 mph
with gusts as high as 29 mph.
Chance of precipitation is 70%.
New snow accumulation of less than one inch possible.


Saturday Night
Partly Cloudy
Low: -14°
Partly cloudy with a low around -14.
Wind chill values as low as -25.
West wind around 5 mph becoming calm in the evening.


Sunday
Cold
High:
Partly sunny and cold with a high near 2.
Wind chill values as low as -20.
Calm wind becoming
northwest 5 to 9 mph in the afternoon.
Winds could gust as high as 18 mph.


Sunday Night
Partly Cloudy
Low: -18°
Partly cloudy with a low around -18.
West wind 6 to 9 mph
with gusts as high as 18 mph.


M.L.King Day
Sunny
High:
Sunny with a high near 7.
West southwest wind around 6 mph.


Monday Night
Mostly Cloudy
Low:
Mostly cloudy with a low around 0.
Southwest wind 6 to 8 mph.


Tuesday
Partly Sunny
High: 33°
Partly sunny with a high near 33.
West southwest wind 9 to 11 mph
with gusts as high as 23 mph.


Tuesday Night
Slight Chance Snow
Low: 13°
A slight chance of snow after 11pm.
Mostly cloudy with a low around 13.


Wednesday
Slight Chance Snow
High: 26°
A slight chance of snow.
Partly sunny with a high near 26.


Wednesday Night
Mostly Cloudy
Low: 11°
Mostly cloudy with a low around 11.


Thursday
Partly Sunny
High: 32°
Partly sunny with a high near 32.


Thursday Night
Chance Snow
Low: 19°
A chance of snow.
Mostly cloudy with a low around 19.


Friday
Chance Snow
High: 36°
A chance of snow.
Mostly cloudy with a high near 36.


Source: National Weather Service








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