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Current Weather Conditions for Lewistown, MT

Partly cloudy. Low around 37, with temperatures rising to around 40 overnight. South southwest wind around 3 mph.
40°F

Conditions

Wind: 2 mph SSW
Humidity: 73%
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
40° 40° 38° 43° 47° 50° 56° 58° 60° 62° 64° 64° 64°

Upcoming Week

Day Forecast High Low
Overnight
Partly Cloudy
Partly cloudy. Low around 37, with temperatures rising to around 40 overnight. South southwest wind around 3 mph.
70°F 50°F
Sunday
Mostly Sunny
Mostly sunny, with a high near 66. North northwest wind around 3 mph.
70°F 50°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 42. West southwest wind 2 to 6 mph.
70°F 50°F
Monday
Partly Sunny
Partly sunny, with a high near 69. West northwest wind 7 to 13 mph, with gusts as high as 23 mph.
70°F 50°F
Monday Night
Cloudy
Cloudy, with a low around 51. West southwest wind 2 to 9 mph, with gusts as high as 18 mph.
70°F 50°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 78. West wind 12 to 23 mph, with gusts as high as 35 mph.
70°F 50°F
Tuesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 48. West northwest wind 22 to 25 mph, with gusts as high as 38 mph.
70°F 50°F
Wednesday
Rain Showers Likely then Chance Showers And Thunderstorms
Rain showers likely before noon, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 61. West northwest wind around 24 mph, with gusts as high as 35 mph.
70°F 50°F
Wednesday Night
Partly Cloudy
Partly cloudy, with a low around 42.
70°F 50°F
Thursday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
70°F 50°F
Thursday Night
Mostly Clear
Mostly clear, with a low around 44.
70°F 50°F
Juneteenth
Mostly Sunny
Mostly sunny, with a high near 72.
70°F 50°F
Friday Night
Partly Cloudy
Partly cloudy, with a low around 48.
70°F 50°F
Saturday
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.
70°F 50°F
Data provided by weather.gov