2 products issued by NWS for: Siloam Springs AR
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Tulsa OK 516 AM CDT Sun Aug 9 2026 ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071- 073>075-154-172-176-254-272-276-354-376-101030- Benton-Carroll-Washington AR-Madison-Northern Crawford- Northern Franklin-North and Central Sebastian-Southern Crawford- Central and Southern Franklin-Southern Sebastian-Pushmataha- Choctaw-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers- Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair- Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage- Northern Sequoyah-Northern Le Flore-Northeast Osage- Central and Southern Sequoyah-Central Le Flore-Southeast Osage- Southern Le Flore- 516 AM CDT Sun Aug 9 2026 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Today and Tonight. DANGEROUS HEAT. RISK...Elevated. AREA...Eastern Oklahoma and Northwest Arkansas. ONSET...Midday. DISCUSSION... Another hot day is in store across the region today. Highs in the triple digits will be common this afternoon, with heat index values ranging from 103 to 110 degrees for most locations. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Spotter Activation Not Expected. .DAYS TWO THROUGH SEVEN...Monday through Saturday. MONDAY THROUGH WEDNESDAY...Dangerous Heat Potential. THURSDAY...High Wind Potential...Dangerous Heat Potential. FRIDAY AND SATURDAY...Thunderstorm Potential...Dangerous Heat Potential. EXTENDED DISCUSSION... Heat and humidity are anticipated to remain common across the region through much of the upcoming week as high pressure expands eastward into the region. Heat index values of 100 to 109 degrees are forecast each day for most of eastern Oklahoma and northwest Arkansas. Low chances for showers and thunderstorms return toward the end of next week, though details remain uncertain at this time. weather.gov/tulsa contains additional information. $$
Heat Advisory
URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 1103 PM CDT Sat Aug 8 2026 ARZ001-229-OKZ055-056-059-064-154-254-276-354-091730- /O.EXA.KTSA.HT.Y.0033.260809T1700Z-260810T0100Z/ Benton-Southern Sebastian-Washington OK-Nowata-Pawnee-Creek- Western Osage-Northeast Osage-Central Le Flore-Southeast Osage- Including the cities of Hartford, Nowata, Rogers, Huntington, Poteau, Bentonville, Shidler, Hominy, Bartlesville, Patterson, Pawnee, Sapulpa, Fairfax, Liberty, Mansfield, and Pawhuska 1103 PM CDT Sat Aug 8 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT SUNDAY... * WHAT...Heat index values up to 108 expected. * WHERE...In Arkansas, Benton and Southern Sebastian Counties. In Oklahoma, Creek, Northeast Osage, Nowata, Pawnee, Southeast Osage, Washington OK, Western Osage, and Central Le Flore Counties. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$