On Monday, December 2, mostly partly cloudy, no precipitation are expected in Mattson. The lowest air temperature will be -16°C at 9 am, the highest temperature will be -13°C at midnight. The atmospheric pressure will be within 751-755 mm Hg. The relative humidity 74-82%. The wind will be mainly westerly 1 m/s with maximum gusts up to 7 m/s. Ultraviolet index 2, no sun protection is required

On Tuesday, December 3, mostly cloudy weather, snow are expected in Mattson. The lowest air temperature will be -13°C at midnight, the highest temperature will be -5°C around 6 pm. The atmospheric pressure will be within 733-749 mm Hg. The relative humidity 76-89%. The wind will be mainly southerly 4 m/s with maximum gusts up to 10 m/s. Ultraviolet index 2, no sun protection is required

On Wednesday, December 4, mostly partly cloudy, no precipitation are expected in Mattson. The lowest air temperature will be -17°C at 9 pm, the highest temperature will be -8°C at midnight. The atmospheric pressure will be within 734-748 mm Hg. The relative humidity 66-83%. The wind will be mainly northwesterly 9 m/s with maximum gusts up to 17 m/s. Ultraviolet index 2, no sun protection is required

On Thursday, December 5, mostly partly cloudy, no precipitation are expected in Mattson. The lowest air temperature will be -22°C at 9 am, the highest temperature will be -17°C around 3 pm. The atmospheric pressure will be within 749-755 mm Hg. The relative humidity 72-80%. The wind will be mainly southwesterly 2 m/s with maximum gusts up to 8 m/s. Ultraviolet index 2, no sun protection is required

On Friday, December 6, mostly cloudy weather, light snow are expected in Mattson. The lowest air temperature will be -19°C at midnight, the highest temperature will be -7°C around 9 pm. The atmospheric pressure will be within 737-747 mm Hg. The relative humidity 76-83%. The wind will be mainly northwesterly 3 m/s with maximum gusts up to 13 m/s. Ultraviolet index 2, no sun protection is required

On Saturday, December 7, mostly partly cloudy, no precipitation are expected in Mattson. The lowest air temperature will be -7°C at 9 am, the highest temperature will be +1°C around 9 pm. The atmospheric pressure will be within 745-751 mm Hg. The relative humidity 86-95%. The wind will be mainly southerly 1 m/s with maximum gusts up to 9 m/s. Ultraviolet index 2, no sun protection is required

On Sunday, December 8, mostly cloudy weather, light precipitation are expected in Mattson. The lowest air temperature will be -3°C at 9 pm, the highest temperature will be +5°C around 3 pm. The atmospheric pressure will be within 737-743 mm Hg. The relative humidity 69-87%. The wind will be mainly easterly 2 m/s with maximum gusts up to 7 m/s. Ultraviolet index 2, no sun protection is required

On Monday, December 9, mostly cloudy weather, light snow are expected in Mattson. The lowest air temperature will be -10°C at 6 pm, the highest temperature will be -4°C at midnight. The atmospheric pressure will be within 739-743 mm Hg. The relative humidity 71-78%. The wind will be mainly westerly 1 m/s with maximum gusts up to 10 m/s. Ultraviolet index 2, no sun protection is required

On Tuesday, December 10, mostly partly cloudy, no precipitation are expected in Mattson. The lowest air temperature will be -12°C at midnight, the highest temperature will be -1°C around 3 pm. The atmospheric pressure will be within 744-747 mm Hg. The relative humidity 80-90%. The wind will be mainly westerly 2 m/s with maximum gusts up to 5 m/s. Ultraviolet index 2, no sun protection is required

On Wednesday, December 11, mostly partly cloudy weather, no precipitation are expected in Mattson. The lowest air temperature will be -5°C at 6 am, the highest temperature will be -2°C at noon. The atmospheric pressure will be within 742-744 mm Hg. The relative humidity 85-93%. The wind will be mainly westerly 3 m/s with maximum gusts up to 10 m/s. Ultraviolet index 2, no sun protection is required