Extreme Heat Warnings and Heat Advisories are in effect later Monday morning into Tuesday evening across Arkansas due to dangerous afternoon high air temperature values coupled with oppressive heat index values. Additionally, the products will remain overnight on Monday into early Tuesday morning due to the lack of expected relief in the form of low temperatures that will be around or above 80 degrees across a decent portion of the state.
High temperatures today are anticipated to reach into the upper 90s over a large part of the state. Temperatures will top out between the lower and upper 90s, but a few locations across the state will likely reach 100 degrees. Temperatures Monday night into the early hours on Tuesday are only expected to lower into the mid to upper 70s across the state. Multiple locations may not lower below 80 degrees overnight offering little to no relief from the oppressive daytime heat.
As heat builds across Arkansas over the next several days, it is important to remember that a closed-up vehicle can heat up quickly without AC. Beat the heat, check the backseat, and never leave people or pets unattended in a vehicle exposed to the elements.
Heat risk is shown in the graphic. Heat will build over Arkansas, especially on Monday through Wednesday as heat risk will reach extreme magnitude on these days with the most threatening day overall as Tuesday.
Upper-level high pressure (H) will build into the region over the coming days. Scattered rain chances will decrease each day. Once this takes place, temperatures will climb well into the mid and upper 90s. Heat index values may range from 100 to 110 degrees.
Note: "N/A" or "MISG" will be displayed if values are not available. In the LOCATION column, click on links for a list of recent observations at sites of interest. In the WIND column, VRB is "variable" and G is "gust". Wind speeds are in MPH. In the BARO (pressure) column, values are in inches. In the REMARKS column, HX is "heat index", WCI is "wind chill index", and VSB is "visibility" (if shown).
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