Even though temperatures will peak in the 80s for much of the balance of the week, the daily risk of heavy, drenching thunderstorms will continue.
Humidity levels will remain high into the weekend.
Typical temperatures for this time of year are closer to the 85 F mark.
Sunny skies will be interrupted by thunderstorms in the afternoon. Night skies will be mostly cloudy and have the chance of producing thunderstorms as well.
Storms during the middle part of the week can be especially heavy, gusty and disruptive.
Those with any outdoor plans should stay on alert throughout the afternoons and evenings. At the first sign of thunder or lightning, seek indoor shelter.
Stay alert to rapidly changing conditions by using MinuteCast™ if you are headed out for outdoor events or baseball games.
Looking ahead to the weekend, lingering thunderstorms could pose more problems for outdoor activities. Temperatures will drop slightly but still remain above typical seasonal averages.
A tropical wave is likely to become the Atlantic Basin's next tropical storm as it approaches or crosses the Caribbean Sea later this week and potentially pose eventual threats to North America.
Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region to end this weekend.
Typhoon Megi will continue to strengthen before threatening lives and property across Taiwan and eastern China this week.
Bouts of heavy rain and thunderstorms will continue to soak portions of Texas into Monday night, further heightening the risk of flooding.
Wintry weather marked the first days of autumn across parts of the Mountain West as snow mixed in with the changing fall foliage.
Gusty winds will accompany a push of chilly air across the Great Lakes from Sunday night through Tuesday.
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.
New Jersey (1975)
4-day rains of 7.50 to 11.00 inches. Flooding in northern part of the state.