A new tropical threat may loom for the Caribbean and North America in the not-too-distant future, while eight more weeks remain in the Atlantic hurricane season.
The greatest danger of flooding across the central United States will unfold in western Texas, where downpours will be most persistent into Monday.
Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region this weekend.
Typhoon Megi will continue to strengthen before threatening lives and property across Taiwan and eastern China this week.
Gusty winds will accompany a push of chilly air across the Great Lakes from Sunday night through Tuesday.
The first windstorm of the season could blast the northern United Kingdom around Tuesday as Karl arrives.
Baltimore, MD (1816)
Water froze one-half of an inch thick.
El Cordnazo, CA (1939)
Greatest September rainstorm with 5.42 inches in 24 hours at L.A. Floods killed 45; $2 million damage.
Southern CA (1970)
Record late September heat wave seared Southern CA for a week. L.A. hit 105 degrees; San Diego hit 97 degrees.