Sandstone MN Hourly Weather Forecast Rock is known for its unique texture and durability. MN weather is often unpredictable, with hot summers and chilly winters. When picking construction materials for the deck or walkway, take into account using rock that can withstand the fluctuations in MN climate. Its strong nature makes it perfect for both summer barbecues and cold weather Christmas gatherings. Embrace that beauty of stone in MN weather and design a impressive outside area that stands the test of seasons.