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Current Weather Conditions for Lewistown, MT

Partly cloudy. Low around 45, with temperatures rising to around 49 overnight. South southwest wind around 7 mph.
50°F

Conditions

Wind: 7 mph SSW
Humidity: 38%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM
50° 49° 49° 46° 50° 53° 58° 66° 69° 72° 75° 75° 76°

Upcoming Week

Day Forecast High Low
Overnight
Partly Cloudy
Partly cloudy. Low around 45, with temperatures rising to around 49 overnight. South southwest wind around 7 mph.
45°F 26°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.
45°F 26°F
Tuesday Night
Mostly Cloudy
Mostly cloudy. Low around 51, with temperatures rising to around 56 overnight. South wind around 12 mph, with gusts as high as 20 mph.
45°F 26°F
Wednesday
Rain Showers Likely
Rain showers likely before 3pm, then showers and thunderstorms likely. Partly sunny, with a high near 71. South southwest wind 12 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
45°F 26°F
Wednesday Night
Showers And Thunderstorms then Rain And Snow
Showers and thunderstorms before 9pm, then rain between 9pm and midnight, then rain and snow between midnight and 3am, then rain and snow. Cloudy, with a low around 28. West wind 18 to 31 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New snow accumulation of less than half an inch possible.
45°F 26°F
Thursday
Light Snow
Snow. Cloudy, with a high near 36. Northwest wind 28 to 35 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
45°F 26°F
Thursday Night
Chance Light Snow
A chance of snow. Mostly cloudy, with a low around 22. Northwest wind 18 to 25 mph, with gusts as high as 37 mph. New snow accumulation of less than one inch possible.
45°F 26°F
Friday
Light Snow Likely
Snow likely. Mostly cloudy, with a high near 33. Northwest wind 22 to 26 mph, with gusts as high as 39 mph. New snow accumulation of less than one inch possible.
45°F 26°F
Friday Night
Chance Light Snow
A chance of snow. Mostly cloudy, with a low around 19.
45°F 26°F
Saturday
Chance Light Snow
A chance of snow. Partly sunny, with a high near 37.
45°F 26°F
Saturday Night
Mostly Cloudy then Slight Chance Light Snow
A slight chance of snow after midnight. Mostly cloudy, with a low around 20.
45°F 26°F
Sunday
Chance Light Snow
A chance of snow. Partly sunny, with a high near 41.
45°F 26°F
Sunday Night
Slight Chance Light Snow
A slight chance of snow. Mostly cloudy, with a low around 24.
45°F 26°F
Monday
Chance Light Snow
A chance of snow. Partly sunny, with a high near 46.
45°F 26°F
Data provided by weather.gov