National Weather Service United States Department of Commerce

Severe Weather and Heavy Rain from the Mid-South to the Mid-Atlantic; Building Heat in the West

Severe thunderstorms may bring damaging winds, a couple of tornadoes, and heavy rain across portions of the Mid-Atlantic into the Mid-South. Severe storms may produce hail across the northern/central High Plains. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Fire weather concerns continue for Interior Alaska and the Four Corners region. Read More >

Click a location below for detailed forecast.

Last Map Update: Mon, Jun 22, 2026 at 4:34:21 pm CDT

As the rain machine turns off and high pressure builds in we will see quite a bit of sun today allowing highs to climb into the lower to mid 90s. This will combine with a very humid airmass leading to heat index values ranging from the lower 100s to just under 110 degrees this afternoon. The highest heat index values will be around the tidal lakes.
Finally drier weather in place for the next few days however, a few storms still can't be ruled out Tuesday. Now with that the heat will return and a Heat Advisory is already out for locations around the tidal lakes Today but additional advisories may be need Tuesday. Pattern shifts for the second half of the work week with a more typical Summer like pattern in place.

 


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 Current Weather Observations...
Location Time
(CDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Baton Rouge LA15:53Mostly Clear10897359S 1597 [HI]30.02
Biloxi MS15:55Lightning Observed10897561WSW 1299 [HI]30.02
Gulfport MS15:53Clear10917559VRB 6102 [HI]30.04
Hammond LA16:15Partly Cloudy10907560SSW 14G18101 [HI]30.01
Houma LA14:47Partly Cloudy7877566SW 12G1896 [HI]30.09
McComb MS15:53Mostly Cloudy10897461SSW 10G1798 [HI]30.01
New Orleans LA15:53Mostly Cloudy10907459SW 899 [HI]30.04
Slidell La15:53Clear10897563VRB 799 [HI]30.04