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 >

Click a location below for detailed forecast.

Last Map Update: Mon, Sep 7, 2026 at 6:04:32 pm 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.
Headline-worthy heat persists through midweek, with some relief expected late week. Rain/storm chances today and Monday as well as late in the week. through the upcoming week.
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