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Current Weather Conditions for Lewistown, MT

Mostly cloudy, with a low around 3. Wind chill values as low as -5. West southwest wind around 5 mph.
6°F

Conditions

Wind: 5 mph W
Humidity: 72%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM
12° 17° 20° 22° 24° 24° 25°

Upcoming Week

Day Forecast High Low
Overnight
Mostly Cloudy
Mostly cloudy, with a low around 3. Wind chill values as low as -5. West southwest wind around 5 mph.
44°F 34°F
Saturday
Mostly Sunny
Mostly sunny. High near 25, with temperatures falling to around 21 in the afternoon. Wind chill values as low as -2. Northwest wind 2 to 7 mph.
44°F 34°F
Saturday Night
Partly Cloudy
Partly cloudy. Low around 6, with temperatures rising to around 9 overnight. Wind chill values as low as -4. East southeast wind around 9 mph.
44°F 34°F
Sunday
Partly Sunny
Partly sunny, with a high near 30. Wind chill values as low as 0. South southeast wind around 12 mph, with gusts as high as 21 mph.
44°F 34°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 23. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
44°F 34°F
Monday
Partly Sunny
Partly sunny, with a high near 50. West southwest wind around 15 mph, with gusts as high as 26 mph.
44°F 34°F
Monday Night
Slight Chance Light Rain then Chance Rain And Snow
A slight chance of rain between 11pm and 2am, then a chance of rain and snow. Mostly cloudy, with a low around 34. West southwest wind around 15 mph, with gusts as high as 26 mph.
44°F 34°F
Tuesday
Chance Rain And Snow
A chance of rain and snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 49. West wind 15 to 22 mph, with gusts as high as 33 mph. New snow accumulation of less than half an inch possible.
44°F 34°F
Tuesday Night
Chance Light Snow
A chance of snow. Mostly cloudy, with a low around 28. New snow accumulation of less than half an inch possible.
44°F 34°F
Wednesday
Slight Chance Light Snow
A slight chance of snow before 5pm. Mostly sunny, with a high near 40.
44°F 34°F
Wednesday Night
Partly Cloudy
Partly cloudy, with a low around 27.
44°F 34°F
Thursday
Mostly Sunny then Slight Chance Light Snow
A slight chance of snow after 5pm. Mostly sunny, with a high near 47.
44°F 34°F
Thursday Night
Slight Chance Light Snow
A slight chance of snow. Partly cloudy, with a low around 30.
44°F 34°F
Friday
Chance Light Snow
A chance of snow. Partly sunny, with a high near 43. New snow accumulation of less than half an inch possible.
44°F 34°F
Data provided by weather.gov