10-Day Weather Forecast - Lewistown, MT
- 54|38°FWindyHourly details
Today
54°FWindy. Mostly cloudy. A 20 percent chance of rain early in the morning. Highs in the upper 50s. West winds 15 to 30 mph with gusts to around 55 mph shifting to the northwest 15 to 20 mph with gusts to around 40 mph in the afternoon.
Tonight
38°FColder. Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s. West winds up to 10 mph with gusts to around 25 mph.
- 59|40°FSunnyHourly details
Day
59°FSunny. Highs around 60. West winds up to 15 mph.
Night
40°FBreezy. Mostly clear. Lows in the mid 30s. West winds 10 to 15 mph increasing to 10 to 25 mph after midnight. Gusts up to 45 mph.
- 42|26°FSunnyHourly details
Day
42°FBreezy cooler sunny. Highs in the mid 40s. West winds 10 to 15 mph shifting to the northwest 15 to 25 mph in the afternoon. Gusts up to 40 mph.
Night
26°FBreezy colder. Mostly clear. Lows in the mid 20s.
- 37|24°FPartly CloudyHourly details
Day
37°FPartly cloudy. Highs in the upper 30s. Lows in the mid 20s.
Night
24°FPartly cloudy. Highs in the upper 30s. Lows in the mid 20s.
Weekend Weather
- 50|31°FMostly SunnyHourly details
Day
50°FMostly clear. Highs 44 to 53. Lows in the mid 20s.
Night
31°FMostly clear. Highs 44 to 53. Lows in the mid 20s.
- 41|27°FMostly SunnyHourly details
Day
41°FMostly clear. Highs 44 to 53. Lows in the mid 20s.
Night
27°FMostly clear. Highs 44 to 53. Lows in the mid 20s.
- 50|28°FMostly Sunny
Day
50°FMostly sunny. Highs in the upper 40s.
Night
28°FMostly clear. Low temperature around 28F. Dew point will be around 11F with an average humidity of 44%. Winds will be 9 mph from the SW.
- 42|23°FMostly Cloudy
Day
42°FMostly cloudy. High temperature around 42F. Dew point will be around 15F with an average humidity of 42%. Winds will be 9 mph from the W.
Night
23°FCloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 23F. Dew point will be around 16F with an average humidity of 66%. Winds will be 7 mph from the W.
- 29|15°F30% Chance of Snow
Day
29°FCloudy with a slight chance of snow. Chance of precipitation 30%. High temperature around 29F. Dew point will be around 14F with an average humidity of 59%. Winds will be 8 mph from the NW.
Night
15°FCloudy with a chance of snow. Chance of precipitation 40%. Low temperature around 15F. Dew point will be around 10F with an average humidity of 75%. Winds will be 5 mph from the NW.
- 21|9°F40% Chance of Snow
Day
21°FCloudy with a chance of snow. Chance of precipitation 40%. High temperature around 21F. Dew point will be around 10F with an average humidity of 68%. Winds will be 6 mph from the NW.
Night
9°FCloudy with a chance of snow. Chance of precipitation 45%. Low temperature around 9F. Dew point will be around 6F with an average humidity of 78%. Winds will be 6 mph from the W.
