Michigan Disaster & Funding Calendar
When Michigan's hazards peak — and when the federal money windows open. The recurring hazard seasons (severe storm, flood, winter storm, tornado) alongside the SAM.gov, FEMA and grant deadlines that decide who's ready when disaster strikes.
Michigan hazard seasons — 12-month view
| Hazard | J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Severe Storm | May–August | ||||||||||||
| Flood | March–June | ||||||||||||
| Winter Storm | December–March | ||||||||||||
| Tornado | March–June |
Peak windows
- Severe Storm — typically May–August in Michigan.
- Flood — typically March–June in Michigan.
- Winter Storm — typically December–March in Michigan.
- Tornado — typically March–June in Michigan.
💰 Funding & deadline cycles
- 🔁SAM.gov registration renewal — annualLapses lock you out of federal contracts & grants. Renew ~60 days before expiry.
- 🏛️FEMA Public Assistance & HMGP — post-declarationWindows open after a Michigan disaster is declared and close fast. Watch the live map for new declarations.
- 🏗️HUD CDBG-DR — appropriation-drivenFunds follow major disasters via Congressional appropriation; action-plan deadlines follow.
- 📅Federal fiscal year — Oct 1Grant cycles and mitigation notices (BRIC) reset. Position before Q4.
Michigan hazard season FAQ
When is severe storm season in Michigan?
In Michigan, severe storm season typically runs May–August. Federal recovery funding windows (FEMA Public Assistance, Hazard Mitigation, and HUD CDBG-DR where appropriated) open after a declaration and close quickly — preparation before the season matters.
When is flood season in Michigan?
In Michigan, flood season typically runs March–June. Federal recovery funding windows (FEMA Public Assistance, Hazard Mitigation, and HUD CDBG-DR where appropriated) open after a declaration and close quickly — preparation before the season matters.
When is winter storm season in Michigan?
In Michigan, winter storm season typically runs December–March. Federal recovery funding windows (FEMA Public Assistance, Hazard Mitigation, and HUD CDBG-DR where appropriated) open after a declaration and close quickly — preparation before the season matters.
When is tornado season in Michigan?
In Michigan, tornado season typically runs March–June. Federal recovery funding windows (FEMA Public Assistance, Hazard Mitigation, and HUD CDBG-DR where appropriated) open after a declaration and close quickly — preparation before the season matters.