Weekly swim report · August 21, 2026
Arkansas swim report
On August 21, 2026 the warmest USGS water reading in Arkansas was 92°F at Red River at Index, AR; 7 water-related NWS hazards are active.
Warmest water
The 5 warmest of 30 sensors reporting a water temperature in Arkansas today. Station names open the official monitoring page.
- #1Red River at Index, ARUSGS gauge · 1,960 ft³/s92°F 33°C9 hrs ago
- #289°F 32°C8 hrs ago
- #3Lake Maumelle at Natural StepsUSGS gauge89°F 32°C10 hrs ago
- #489°F 31°C9 hrs ago
- #588°F 31°C9 hrs ago
Active hazards in Arkansas
Alerts cover counties or forecast zones — an alert for an area does not mean every river or beach inside it is affected. Times are local to the issuing office.
- CautionExtreme Heat Warning
An Extreme Heat Warning is in effect for Columbia; Union; Caddo; Bossier; Webster; Claiborne; Lincoln; Union; De Soto; Red River; Bienville; Jackson; Ouachita; Sabine; Natchitoches; Winn; Grant; Caldwell; La Salle; Wood; Upshur; Marion; Smith; Gregg; Harrison; Cherokee; Rusk; Panola; Nacogdoches; Shelby; Angelina; San Augustine; Sabine.
NWS Shreveport LA · until Aug 21, 9:00 PM
- CautionHeat Advisory
A Heat Advisory is in effect for North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Southern Sebastian; Washington; Nowata; Craig; Pawnee; Tulsa; Rogers; Mayes; Creek; Okmulgee; Wagoner; Cherokee; Muskogee; McIntosh; Haskell; Northern Sequoyah; Northern Le Flore; Central and Southern Sequoyah; Central Le Flore; Southeast Osage.
NWS Tulsa OK · until Aug 21, 8:00 PM
- CautionHeat Advisory
A Heat Advisory is in effect for Ashley; Chicot; Bolivar; Sunflower; Leflore; Washington; Humphreys; Holmes.
NWS Jackson MS · until Aug 21, 8:00 PM
- CautionHeat Advisory
A Heat Advisory is in effect for Conway; Faulkner; Perry; Garland; Saline; Pulaski; Lonoke; Prairie; Monroe; Hot Spring; Grant; Jefferson; Arkansas; Southern Johnson County; Southern Pope County; Western and Northern Logan County; Northern Scott County; Northwest Yell County; Polk County Lower Elevations; Central and Eastern Montgomery County; Southern and Eastern Logan County; Central and Southern Scott County; Yell Excluding Northwest; Northern Polk County Higher Elevations; Northern Montgomery County Higher Elevations; Southeast Polk County Higher Elevations; Southwest Montgomery County Higher Elevations.
NWS Little Rock AR · until Aug 21, 8:00 PM
- CautionHeat Advisory
A Heat Advisory is in effect for Pike; Clark; Dallas; Cleveland; Lincoln; Desha; Ouachita; Calhoun; Bradley; Drew.
NWS Little Rock AR · until Aug 21, 8:00 PM
- CautionHeat Advisory
A Heat Advisory is in effect for Sevier; Howard; Little River; Hempstead; Nevada; Miller; Lafayette; McCurtain; Red River; Bowie; Franklin; Titus; Camp; Morris; Cass.
NWS Shreveport LA · until Aug 22, 8:00 PM
- CautionHeat Advisory
A Heat Advisory is in effect for Lee; Phillips; Tunica; Coahoma; Quitman; Tallahatchie; Yalobusha; Calhoun; Chickasaw; Monroe.
NWS Memphis TN · until Aug 21, 8:00 PM
Where to swim in Arkansas
The most-reviewed, well-rated water destinations in Arkansas — check each one’s live conditions before you go.
4.7(15,372)Hot Springs National Park
Urban park featuring a historic row of early 20th-century bathhouses built atop natural hot springs.
4.8(3,862)Mammoth Spring State Park
Scenic park encompassing the state's largest spring, plus a historic caboose, trails & a playground.
4.7(2,382)Lake Fayetteville Park
Laid-back, sprawling natural space offering a boat dock, fishing & trails for walking & biking.
4.8(2,055)Lake Ouachita State Park
Fishing, boating & swimming on a 40,000-acre lake, plus camping, cabins & historic springs.
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Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.