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Current Weather Conditions for Lewistown, MT

Mostly clear. Low around 45, with temperatures rising to around 49 overnight. Southwest wind around 8 mph.
49°F

Conditions

Wind: 8 mph SW
Humidity: 47%
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
49° 49° 49° 47° 53° 59° 62° 68° 71° 73° 75° 75° 76°

Upcoming Week

Day Forecast High Low
Overnight
Mostly Clear
Mostly clear. Low around 45, with temperatures rising to around 49 overnight. Southwest wind around 8 mph.
72°F 54°F
Sunday
Mostly Sunny
Mostly sunny, with a high near 77. West wind 8 to 13 mph, with gusts as high as 22 mph.
72°F 54°F
Sunday Night
Mostly Clear
Mostly clear. Low around 48, with temperatures rising to around 53 overnight. Southwest wind 5 to 9 mph.
72°F 54°F
Memorial Day
Sunny
Sunny, with a high near 83. South wind 3 to 7 mph.
72°F 54°F
Monday Night
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Partly cloudy, with a low around 56. South southeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
72°F 54°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 85. Southeast wind 6 to 12 mph, with gusts as high as 21 mph.
72°F 54°F
Tuesday Night
Chance Showers And Thunderstorms then Chance Light Rain
A chance of showers and thunderstorms before 9pm, then a chance of rain. Mostly cloudy, with a low around 52. South southeast wind 7 to 12 mph, with gusts as high as 20 mph.
72°F 54°F
Wednesday
Slight Chance Light Rain then Showers And Thunderstorms
A slight chance of rain before noon, then showers and thunderstorms. Partly sunny, with a high near 72. Northwest wind around 8 mph.
72°F 54°F
Wednesday Night
Showers And Thunderstorms Likely then Slight Chance Light Rain
Showers and thunderstorms likely before midnight, then a slight chance of rain. Mostly cloudy, with a low around 49.
72°F 54°F
Thursday
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.
72°F 54°F
Thursday Night
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51.
72°F 54°F
Friday
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
72°F 54°F
Friday Night
Showers And Thunderstorms Likely then Chance Light Rain
Showers and thunderstorms likely before midnight, then a chance of rain. Mostly cloudy, with a low around 50.
72°F 54°F
Saturday
Chance Light Rain then Showers And Thunderstorms Likely
A chance of rain before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 67.
72°F 54°F
Data provided by weather.gov