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Lewistown, MT
 14° 
Last Updated on Feb 20 2019, 9:54 pm MST
Current ConditionsLight Snow Fog/Mist
Relative Humidity92%
WindSouthwest at 8.1 MPH
(7 KT)
Pressure29.76 mb
Dewpoint12.0 F (-11.1 C)
Wind Chill3 F (-16 C)
Visibility4.00 miles

7-Day Forecast

Tonight
Snow
Low:
Snow.
Steady temperature around 5.
Wind chill values as low as -9.
Southwest wind around 6 mph becoming
northwest after midnight.
Chance of precipitation is 90%.
Total nighttime snow accumulation of less than one inch possible.


Thursday
Snow Likely then Mostly Cloudy
High: 12°
Snow likely, mainly before 10am.
Cloudy,
then gradually becoming mostly sunny with a high near 12.
Wind chill values as low as -15.
Northwest wind 6 to 8 mph.
Chance of precipitation is 60%.
New snow accumulation of less than a half inch possible.


Thursday Night
Mostly Clear
Low: -8°
Mostly clear with a low around -8.
Wind chill values as low as -21.
East wind around 7 mph becoming
south after midnight.


Friday
Sunny
High: 24°
Sunny with a high near 24.
Wind chill values as low as -20.
Southwest wind 7 to 9 mph.


Friday Night
Mostly Cloudy
Low: 10°
Mostly cloudy with a low around 10.
Southwest wind around 10 mph.


Saturday
Slight Chance Snow
High: 25°
A 20% chance of snow after 11am.
Partly sunny with a high near 25.


Saturday Night
Cloudy
Low: -7°
Cloudy with a low around -7.


Sunday
Cold
High:
Mostly cloudy and cold with a high near 5.


Sunday Night
Slight Chance Snow
Low: -13°
A slight chance of snow after 11pm.
Mostly cloudy with a low around -13.


Monday
Chance Snow
High:
A chance of snow.
Mostly cloudy and cold with a high near 1.


Monday Night
Slight Chance Snow then Mostly Cloudy
Low: -18°
A slight chance of snow.
Mostly cloudy with a low around -18.


Tuesday
Cold
High:
Mostly sunny and cold with a high near 4.


Tuesday Night
Slight Chance Snow
Low: -12°
A slight chance of snow.
Partly cloudy with a low around -12.


Wednesday
Slight Chance Snow
High: 17°
A slight chance of snow.
Partly sunny with a high near 17.


Source: National Weather Service








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