Weather Warnings for Arkansas

Issued by the National Weather Service

Current watches, warnings, and advisories for Arkansas
Alerts Updated: July 20, 2026, 7:26 am  UTC


Extreme Heat Warning issued July 20 at 1:04AM CDT until July 21 at 9:00PM CDT by NWS Jackson MS

Summary: * WHAT...Dangerously hot conditions with heat index values up to 113 degrees expected during the daytime, with limited heat relief overnight. * WHERE...Bolivar, Humphreys, Leflore, Sunflower, and Washington counties in Mississippi and Chicot County, Arkansas. * WHEN...From 10 AM this morning to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Severity:  Severe    Effective:  July 20, 2026, 1:04 am      Expires:  July 20, 2026, 9:15 am
Area:  Chicot; Bolivar; Sunflower; Leflore; Washington; Humphreys


Heat Advisory issued July 20 at 1:04AM CDT until July 21 at 9:00PM CDT by NWS Jackson MS

Summary: * WHAT...Heat index values up to 109 degrees expected during the daytime, with limited heat relief overnight. * WHERE...Ashley County, Arkansas, and portions of northeast Louisiana and central Mississippi. * WHEN...From 10 AM this morning to 9 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Severity:  Moderate    Effective:  July 20, 2026, 1:04 am      Expires:  July 20, 2026, 9:15 am
Area:  Ashley; Morehouse; Richland; Franklin; Grenada; Carroll; Montgomery; Webster; Clay; Lowndes; Choctaw; Oktibbeha; Attala; Winston; Noxubee; Leake; Neshoba; Kemper; Newton; Lauderdale


Extreme Heat Warning issued July 19 at 11:25PM CDT until July 21 at 9:00PM CDT by NWS Little Rock AR

Summary: * WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Grant, Saline, Southern Pope County, Yell Excluding Northwest, Lawrence, Randolph, Sharp, Drew, Jefferson, and Lincoln Counties. * WHEN...From 10 AM Monday to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Severity:  Severe    Effective:  July 19, 2026, 11:25 pm      Expires:  July 20, 2026, 4:00 pm
Area:  Sharp; Randolph; Lawrence; Saline; Grant; Jefferson; Lincoln; Drew; Southern Pope County; Yell Excluding Northwest


Heat Advisory issued July 19 at 11:25PM CDT until July 21 at 9:00PM CDT by NWS Little Rock AR

Summary: * WHAT...Heat index values up to 108 expected. * WHERE...Pike, Central and Eastern Montgomery County, Central and Southern Scott County, Northern Montgomery County Higher Elevations, Northern Polk County Higher Elevations, Polk County Lower Elevations, Southeast Polk County Higher Elevations, and Southwest Montgomery County Higher Elevations Counties. * WHEN...From 10 AM Monday to 9 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Severity:  Moderate    Effective:  July 19, 2026, 11:25 pm      Expires:  July 20, 2026, 4:00 pm
Area:  Pike; Polk County Lower Elevations; Central and Eastern Montgomery County; Central and Southern Scott County; Northern Polk County Higher Elevations; Northern Montgomery County Higher Elevations; Southeast Polk County Higher Elevations; Southwest Montgomery County Higher Elevations


Extreme Heat Warning issued July 19 at 11:25PM CDT until July 21 at 9:00PM CDT by NWS Little Rock AR

Summary: * WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Portions of central, eastern, north central, and southeast Arkansas. * WHEN...From 10 AM Monday to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Severity:  Severe    Effective:  July 19, 2026, 11:25 pm      Expires:  July 20, 2026, 4:00 pm
Area:  Independence; Jackson; Conway; Faulkner; White; Woodruff; Perry; Pulaski; Lonoke; Prairie; Monroe; Arkansas; Desha


Heat Advisory issued July 19 at 11:25PM CDT until July 21 at 9:00PM CDT by NWS Little Rock AR

Summary: * WHAT...Heat index values up to 108 expected. * WHERE...Portions of central, north central, southeast, southwest, and western Arkansas. * WHEN...From 10 AM Monday to 9 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Severity:  Moderate    Effective:  July 19, 2026, 11:25 pm      Expires:  July 20, 2026, 4:00 pm
Area:  Marion; Baxter; Fulton; Stone; Izard; Cleburne; Garland; Clark; Hot Spring; Dallas; Cleveland; Ouachita; Calhoun; Bradley; Boone County Except Southwest; Newton County Higher Elevations; Searcy County Lower Elevations; Southern Johnson County; Southeast Van Buren County; Western and Northern Logan County; Northern Scott County; Northwest Yell County; Boone County Higher Elevations; Newton County Lower Elevations; Northwest Searcy County Higher Elevations; Johnson County Higher Elevations; Pope County Higher Elevations; Van Buren County Higher Elevations; Southern and Eastern Logan County; Eastern, Central, and Southern Searcy County Higher Elevations


Extreme Heat Warning issued July 19 at 11:16PM CDT until July 21 at 9:00PM CDT by NWS Memphis TN

Summary: * WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Dunklin, Clay, Greene, Craighead, Poinsett, Mississippi, Cross, Crittenden, and Pemiscot. * WHEN...From 10 AM Monday to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Severity:  Severe    Effective:  July 19, 2026, 11:16 pm      Expires:  July 20, 2026, 1:45 pm
Area:  Clay; Greene; Craighead; Poinsett; Mississippi; Cross; Crittenden; Dunklin; Pemiscot


Extreme Heat Warning issued July 19 at 11:16PM CDT until July 21 at 9:00PM CDT by NWS Memphis TN

Summary: * WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...In Arkansas, Lee AR, Phillips, and St. Francis Counties. In Mississippi, Coahoma, Quitman, Tallahatchie, and Tunica Counties. * WHEN...From 10 AM Monday to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Severity:  Severe    Effective:  July 19, 2026, 11:16 pm      Expires:  July 20, 2026, 1:45 pm
Area:  St. Francis; Lee; Phillips; Tunica; Coahoma; Quitman; Tallahatchie


Heat Advisory issued July 19 at 10:55PM CDT until July 20 at 8:00PM CDT by NWS Shreveport LA

Summary: * WHAT...Heat index values up to 108 expected. * WHERE...Portions of south central Arkansas and north central and northwest Louisiana. * WHEN...From 9 AM to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Severity:  Moderate    Effective:  July 19, 2026, 10:55 pm      Expires:  July 20, 2026, 8:00 pm
Area:  Union; Claiborne; Lincoln; Union; Bienville; Jackson; Ouachita; Winn; Grant; Caldwell; La Salle


Heat Advisory issued July 19 at 10:55PM CDT until July 20 at 8:00PM CDT by NWS Shreveport LA

Summary: * WHAT...Heat index values up to 108 expected. * WHERE...Portions of southwest Arkansas, northwest Louisiana, southeast Oklahoma, and east and northeast Texas. * WHEN...From 9 AM to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Severity:  Moderate    Effective:  July 19, 2026, 10:55 pm      Expires:  July 20, 2026, 8:00 pm
Area:  Sevier; Howard; Little River; Hempstead; Nevada; Miller; Lafayette; Columbia; Caddo; Bossier; Webster; De Soto; Red River; Sabine; Natchitoches; McCurtain; Red River; Bowie; Franklin; Titus; Camp; Morris; Cass; Wood; Upshur; Marion; Smith; Gregg; Harrison; Cherokee; Rusk; Panola; Nacogdoches; Shelby; Angelina; San Augustine; Sabine


Heat Advisory issued July 19 at 10:54PM CDT until July 20 at 8:00PM CDT by NWS Tulsa OK

Summary: * WHAT...For the Heat Advisory, heat index values up to 109 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the Heat Advisory, from 1 PM to 8 PM CDT Monday. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.
Severity:  Moderate    Effective:  July 19, 2026, 10:54 pm      Expires:  July 20, 2026, 8:00 pm
Area:  North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Washington; Nowata; Craig; Ottawa; Tulsa; Rogers; Mayes; Delaware; Okmulgee; Wagoner; Muskogee; McIntosh; Haskell; Northern Le Flore; Northeast Osage; Central and Southern Sequoyah; Southeast Osage


Heat Advisory issued July 19 at 10:54PM CDT until July 20 at 8:00PM CDT by NWS Tulsa OK

Summary: * WHAT...Heat index values up to 106 expected. * WHERE...In Arkansas, Benton, Carroll, Madison, and Washington AR Counties. In Oklahoma, Adair, Choctaw, and Pushmataha Counties. * WHEN...From 1 PM to 8 PM CDT Monday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.
Severity:  Moderate    Effective:  July 19, 2026, 10:54 pm      Expires:  July 20, 2026, 8:00 pm
Area:  Benton; Carroll; Washington; Madison; Pushmataha; Choctaw; Adair


Heat Advisory issued July 19 at 10:54PM CDT until July 20 at 8:00PM CDT by NWS Tulsa OK

Summary: * WHAT...Heat index values up to 108 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From 1 PM to 8 PM CDT Monday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.
Severity:  Moderate    Effective:  July 19, 2026, 10:54 pm      Expires:  July 20, 2026, 8:00 pm
Area:  Northern Crawford; Northern Franklin; Southern Sebastian; Pawnee; Creek; Okfuskee; Cherokee; Pittsburg; Latimer; Western Osage; Northern Sequoyah; Central Le Flore; Southern Le Flore


Extreme Heat Watch issued July 19 at 10:54PM CDT until July 21 at 8:00PM CDT by NWS Tulsa OK

Summary: * WHAT...For the Heat Advisory, heat index values up to 109 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the Heat Advisory, from 1 PM to 8 PM CDT Monday. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.
Severity:  Severe    Effective:  July 19, 2026, 10:54 pm      Expires:  July 20, 2026, 8:00 pm
Area:  North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Washington; Nowata; Craig; Ottawa; Tulsa; Rogers; Mayes; Delaware; Okmulgee; Wagoner; Muskogee; McIntosh; Haskell; Northern Le Flore; Northeast Osage; Central and Southern Sequoyah; Southeast Osage