| Event | Heat Advisory |
| Severity | Moderate |
| Urgency | Expected |
| Certainty | Likely |
| Area | Pike; Shelby; Marion |
| Effective | 8/13/2026, 10:28:00 AM CDT |
| Expires | 8/13/2026, 10:00:00 PM CDT |
Heat Advisory issued August 13 at 10:28AM CDT until August 15 at 9:00PM CDT by NWS St Louis MO
Details
* WHAT…Heat index values up to 109.
* WHERE…In Illinois, Pike IL County. In Missouri, Marion MO and
Shelby MO Counties.
* WHEN…Until 9 PM CDT Saturday.
* IMPACTS…Hot temperatures and high humidity may cause heat
illnesses.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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