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Current Weather Conditions for Lewistown, MT

Mostly clear. Low around 62, with temperatures rising to around 66 overnight. South southeast wind around 5 mph.
66°F

Conditions

Wind: 5 mph SSE
Humidity: 36%
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
66° 66° 63° 69° 74° 79° 88° 92° 96° 99° 101° 103° 101°

Upcoming Week

Day Forecast High Low
Overnight
Mostly Clear
Mostly clear. Low around 62, with temperatures rising to around 66 overnight. South southeast wind around 5 mph.
85°F 59°F
Sunday
Sunny
Sunny. High near 103, with temperatures falling to around 100 in the afternoon. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.
85°F 59°F
Sunday Night
Partly Cloudy
Partly cloudy. Low around 61, with temperatures rising to around 64 overnight. West southwest wind 3 to 9 mph, with gusts as high as 20 mph.
85°F 59°F
Monday
Sunny
Sunny, with a high near 91. Southeast wind 2 to 12 mph, with gusts as high as 23 mph.
85°F 59°F
Monday Night
Partly Cloudy
Partly cloudy, with a low around 61. Southeast wind 8 to 14 mph, with gusts as high as 23 mph.
85°F 59°F
Tuesday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. East wind 5 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
85°F 59°F
Tuesday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Northeast wind 6 to 13 mph, with gusts as high as 23 mph.
85°F 59°F
Wednesday
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Northeast wind around 6 mph.
85°F 59°F
Wednesday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 58.
85°F 59°F
Thursday
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
85°F 59°F
Thursday Night
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
85°F 59°F
Friday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
85°F 59°F
Friday Night
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
85°F 59°F
Saturday
Mostly Sunny
Mostly sunny, with a high near 86.
85°F 59°F
Data provided by weather.gov