Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

A significant late season heat wave continues in the interior Pacific Northwest for at least one more day before easing somewhat Friday into Saturday. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >

Frost/Freeze Information

When can the region expect its first freezing temperatures in the fall, and its last freezing temperatures in the spring? Check out the below information to find out.

For comprehensive regional frost/freeze information, please visit the Midwest Regional Climate Center.