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Current Weather Conditions for Lewistown, MT

A slight chance of showers and thunderstorms after 5pm. Mostly sunny. High near 90, with temperatures falling to around 87 in the afternoon. East wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
85°F

Conditions

Wind: 10 mph E
Humidity: 37%
Probability of Precipitation: 5%

Hourly Forcast (next 12 hours)

6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM
85° 87° 88° 88° 89° 87° 86° 84° 79° 75° 71° 70° 68°

Upcoming Week

Day Forecast High Low
This Afternoon
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly sunny. High near 90, with temperatures falling to around 87 in the afternoon. East wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
89°F 69°F
Tonight
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then a chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy. Low around 57, with temperatures rising to around 62 overnight. North northeast wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
89°F 69°F
Wednesday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms between 9am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Northwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
89°F 69°F
Wednesday Night
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 56. South southeast wind around 5 mph. Chance of precipitation is 60%.
89°F 69°F
Thursday
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. North northwest wind around 5 mph. Chance of precipitation is 30%.
89°F 69°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. East southeast wind around 7 mph. Chance of precipitation is 40%.
89°F 69°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 88. Southeast wind around 7 mph.
89°F 69°F
Friday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South southeast wind around 8 mph.
89°F 69°F
Saturday
Mostly Sunny
Mostly sunny, with a high near 86.
89°F 69°F
Saturday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
89°F 69°F
Sunday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
89°F 69°F
Sunday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
89°F 69°F
Monday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
89°F 69°F
Monday Night
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56.
89°F 69°F
Data provided by weather.gov