On Sunday, December 1, mostly partly cloudy weather, no precipitation are expected in McHenry. The lowest air temperature will be -11°C at 6 am, the highest temperature will be -4°C around 3 pm. The atmospheric pressure will be within 744-747 mm Hg. The relative humidity 52-68%. The wind will be mainly westerly 5 m/s with maximum gusts up to 9 m/s. Ultraviolet index 2, no sun protection is required

On Monday, December 2, mostly partly cloudy, no precipitation are expected in McHenry. The lowest air temperature will be -9°C at 6 am, the highest temperature will be -2°C around 3 pm. The atmospheric pressure will be within 747-751 mm Hg. The relative humidity 56-76%. The wind will be mainly northwesterly 5 m/s with maximum gusts up to 10 m/s. Ultraviolet index 2, no sun protection is required

On Tuesday, December 3, mostly partly cloudy, no precipitation are expected in McHenry. The lowest air temperature will be -9°C at 6 am, the highest temperature will be -3°C around 9 pm. The atmospheric pressure will be within 744-751 mm Hg. The relative humidity 61-82%. The wind will be mainly southwesterly 5 m/s with maximum gusts up to 15 m/s. Ultraviolet index 2, no sun protection is required

On Wednesday, December 4, mostly partly cloudy, no precipitation are expected in McHenry. The lowest air temperature will be -4°C at 9 pm, the highest temperature will be +1°C around 3 pm. The atmospheric pressure will be within 734-742 mm Hg. The relative humidity 61-83%. The wind will be mainly westerly 8 m/s with maximum gusts up to 16 m/s. Ultraviolet index 2, no sun protection is required

On Thursday, December 5, mostly clear weather, no precipitation are expected in McHenry. The lowest air temperature will be -12°C at 6 am, the highest temperature will be -8°C at midnight. The atmospheric pressure will be within 739-751 mm Hg. The relative humidity 50-60%. The wind will be mainly northwesterly 7 m/s with maximum gusts up to 13 m/s. Ultraviolet index 3, sun protection is required

On Friday, December 6, mostly cloudy weather, snow are expected in McHenry. The lowest air temperature will be -13°C at 6 am, the highest temperature will be -7°C around 3 pm. The atmospheric pressure will be within 740-752 mm Hg. The relative humidity 42-70%. The wind will be mainly southerly 5 m/s with maximum gusts up to 13 m/s. Ultraviolet index 3, sun protection is required

On Saturday, December 7, mostly partly cloudy, no precipitation are expected in McHenry. The lowest air temperature will be -9°C at midnight, the highest temperature will be 0°C around 3 pm. The atmospheric pressure will be within 736-747 mm Hg. The relative humidity 51-67%. The wind will be mainly northwesterly 6 m/s with maximum gusts up to 13 m/s. Ultraviolet index 2, no sun protection is required

On Sunday, December 8, mostly cloudy weather, light rain are expected in McHenry. The lowest air temperature will be -2°C at 3 am, the highest temperature will be +6°C at noon. The atmospheric pressure will be within 740-748 mm Hg. The relative humidity 64-87%. The wind will be mainly southeasterly 4 m/s with maximum gusts up to 10 m/s. Ultraviolet index 2, no sun protection is required

On Monday, December 9, mostly cloudy weather, precipitation are expected in McHenry. The lowest air temperature will be +1°C at 6 am, the highest temperature will be +4°C at noon. The atmospheric pressure will be within 730-740 mm Hg. The relative humidity 68-86%. The wind will be mainly easterly 7 m/s with maximum gusts up to 14 m/s. Ultraviolet index 2, no sun protection is required

On Tuesday, December 10, mostly cloudy weather, snowstorm are expected in McHenry. The lowest air temperature will be -3°C at 6 am, the highest temperature will be 0°C at midnight. The atmospheric pressure will be within 726-737 mm Hg. The relative humidity 61-80%. The wind will be mainly northerly 10 m/s with maximum gusts up to 18 m/s. Ultraviolet index 1, no sun protection is required