10-Day Weather Forecast - Lewiston, MT

Mostly cloudy. Slight chance of rain and snow in the morning then slight chance of rain very light freezing drizzle and snow in the afternoon. Highs 35 to 41. South winds up to 10 mph. Chance of precipitation 20 percent.

Mostly cloudy. Slight chance of very light freezing drizzle in the evening. Near steady temperature in the mid 30s. Southwest winds 5 to 15 mph with gusts to around 35 mph.

Partly sunny. A 50 percent chance of rain in the afternoon. Highs 38 to 46. South winds 10 to 15 mph with gusts to around 35 mph.

Chance of rain and snow in the evening then rain and snow likely after midnight. Light snow accumulations. Snow level 6600 feet. Lows 29 to 35. Southwest winds up to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 70 percent.

Mostly cloudy. A 40 percent chance of snow rain and light freezing drizzle in the morning. Highs 35 to 43.

Partly cloudy in the evening then mostly cloudy with a 20 percent chance of snow after midnight. Near steady temperature in the lower 30s.

Mostly cloudy. A 40 percent chance of snow. Highs 31 to 39. Lows 16 to 22.

Mostly cloudy. A 40 percent chance of snow. Highs 31 to 39. Lows 16 to 22.

Partly sunny. Highs 23 to 31.

Partly cloudy in the evening then becoming mostly cloudy. Near steady temperature around 19.

Mostly cloudy. Highs 29 to 41. Lows 19 to 25.

Mostly cloudy. Highs 29 to 41. Lows 19 to 25.

Mostly cloudy. Highs 29 to 41. Lows 19 to 25.

Clear. Low temperature around 25F. Dew point will be around 14F with an average humidity of 57%. Winds will be 6 mph from the S.

Mostly sunny. High temperature around 34F. Dew point will be around 13F with an average humidity of 48%. Winds will be 6 mph from the S.

Mostly clear. Low temperature around 26F. Dew point will be around 15F with an average humidity of 60%. Winds will be 5 mph from the S.

Mostly cloudy. High temperature around 33F. Dew point will be around 16F with an average humidity of 56%. Winds will be 5 mph from the SW.

Cloudy. Low temperature around 24F. Dew point will be around 17F with an average humidity of 69%. Winds will be 4 mph from the SW.