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Lewistown, MT
 67° 
Last Updated on Aug 17 2018, 9:54 pm MDT
Current ConditionsFair
Relative Humidity44%
WindSouth at 5.8 MPH
(5 KT)
Pressure30.12 mb
Dewpoint44.1 F (6.7 C)
Visibility9.00 miles

7-Day Forecast

Tonight
Isolated T-storms then Showers Likely
Low: 59°
Scattered showers and thunderstorms,
then showers likely and possibly a thunderstorm after 5am.
Some of the storms could produce gusty winds.
Areas of smoke.
Mostly cloudy with a low around 59.
Southeast wind 7 to 9 mph becoming
west northwest after midnight.
Chance of precipitation is 60%.


Saturday
Showers Likely then Scattered T-storms
High: 77°
Showers likely with thunderstorms also possible after noon.
Areas of smoke.
Mostly cloudy with a high near 77.
West southwest wind 7 to 10 mph becoming
north northwest in the afternoon.
Chance of precipitation is 70%.


Saturday Night
Chance Showers
Low: 52°
A chance of showers and thunderstorms.
Mostly cloudy with a low around 52.
Northwest wind 5 to 8 mph becoming
northeast after midnight.
Chance of precipitation is 30%.


Sunday
Partly Sunny
High: 74°
Partly sunny with a high near 74.
East wind 5 to 9 mph.


Sunday Night
Mostly Cloudy then Slight Chance Showers
Low: 51°
A 20% chance of showers after midnight.
Mostly cloudy with a low around 51.
East southeast wind 7 to 9 mph.


Monday
Chance Showers
High: 68°
A 40% chance of showers.
Partly sunny with a high near 68.


Monday Night
Partly Cloudy
Low: 47°
Partly cloudy with a low around 47.


Tuesday
Sunny
High: 80°
Sunny with a high near 80.


Tuesday Night
Mostly Clear
Low: 53°
Mostly clear with a low around 53.


Wednesday
Sunny
High: 87°
Sunny with a high near 87.


Wednesday Night
Partly Cloudy
Low: 54°
Partly cloudy with a low around 54.


Thursday
Sunny
High: 83°
Sunny with a high near 83.


Thursday Night
Mostly Clear
Low: 52°
Mostly clear with a low around 52.


Friday
Sunny
High: 81°
Sunny with a high near 81.


Source: National Weather Service








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