Right now
The most recent data we hold from HEAT GOV arrived 2 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
2 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 6 September 2026 at 05:30 UTC. It is kept here as a record.
It is the 14th strongest of the 26 detections recorded within 20 km of this point since 15 April 2026. The last comparable one was on 5 September 2026.
What the source measured
HEAT GOV reported: * WHAT...Heat index values 105 to 109 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 7 PM CDT Sunday. * IMPACT...
An estimated 55,054 people live within 50 km of this point.
Nearby, since 15 April 2026
- September 2, 2026 · score 32 · 8.4 km
- September 5, 2026 · score 32 · 11.9 km
- May 9, 2026 · score 39 · 11.9 km
How we know
One source: HEAT GOV. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100, at 69 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 69% |
| Coordinates | 35.6592, -95.1388 |
| Nearest City | Muskogee (23 km) |
| Population Exposed | 55.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-06T17:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-06T12:00:00-05:00 |
| Expires | 2026-09-06T00:30:00-05:00 |
| AreaDesc | Benton; Carroll; Washington; Madison; Northern Crawford; Northern Franklin; Southern Sebastian; Pushmataha; Choctaw; Washington; 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 |
| SenderName | NWS Tulsa OK |
| ZonesUsedForCentroid | 10 |
| ZoneCount | 37 |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Muskogee?
Calamity.live data shows a weather event with CalamityScore 32/100, near Muskogee (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.