National Weather Service United States Department of Commerce

Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

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Last Map Update: Mon, Sep 7, 2026 at 10:00:24 am CDT

The heat continues into Labor Day with afternoon heat indices between 105 and 109 expected. A heat advisory is in effect from noon to 7 PM Monday afternoon.
Dangerous heat index values will continue through mid week before a minor cool down for late week.
If the front that is forecast to make it to the area later this week arrives as now forecast, the stage may be set for several fronts to pass through the area from now into the middle of the month.
Isolated thunderstorms are forecast both Monday and Tuesday afternoons. Gusty strong downburst winds will be the main threat.
Hot weather continues through mid week with increasing rain chances and slightly cooler weather by late week.
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