Greene; Macoupin; Montgomery; Fayette; Calhoun; Jersey; Boone; Callaway; Montgomery; Lincoln
Heat Advisory issued September 16 at 11:29AM CDT until September 18 at 8:00PM CDT by NWS St Louis MO
Heat Advisory · Expires: Sep 17, 2026 07:30 UTC
Severity: Moderate Urgency: Expected Certainty: Likely Updated: Sep 17, 2026 06:15 UTC
Active / Indexed
Timing
- SentSep 16, 2026 16:29 UTC
- OnsetSep 16, 2026 16:29 UTC
- ExpiresSep 17, 2026 07:30 UTC
Affected areas
This advisory may be issued as multiple alerts with different affected areas. Below are the official area texts grouped into one page.