From the SPC (Storm Prediction Center) in Norman, Okla., they issue the watches and outlooks for the entire USA.
DAY ONE TODAY AND TONIGHT
Much of Central and West Texas
Oklahoma except the Extreme East
Most of Kansas
Extreme NE Colorado
DAY TWO 6 AM FRIDAY UNTIL 6 AM SATURDAY
East and South Texas
Almost all of Mississippi
All of Louisiana, Arkansas and Missouri
Extreme East Oklahoma
Extreme East Kansas
South half of Iowa
South half of Illinois
West edge of Tennessee including Memphis
DAY THREE 6 AM SATURDAY UNTIL 6 AM SUNDAY
East and South Louisiana
Extreme NW Florida
All of Mississippi
All of Alabama
All of Tennessee
All of Kentucky
Georgia except SE
Extreme west parts of the Carolinas
While all of these is the standard “slight risk” now, some will no doubt get updated to at least a “moderate risk” as events unfold. The SPC uses slight, moderate and high.
Here is the official SPC web page:
https://www.spc.noaa.gov/
You will notice right away a wide variety of information. You can click on Outlooks, Discussions and current Watches to name a few.