| Frost Zone |
Starting Date |
Ending Date |
|
Winter Load Increases (WLI)
|
North
North-Central
Central
Metro
South
Southeast
|
Dec 12, 2025
Dec 12, 2025
Dec 16, 2025
Dec 16, 2025
Dec 29, 2025
Dec 29, 2025
|
Mar 20, 2026
Mar 18, 2026
Mar 06, 2026
Mar 03, 2026
Feb 24, 2026
Feb 24, 2026
|
|
Spring Load Restrictions (SLR)
|
North
North-Central
Central
Metro
South
Southeast
|
Mar 20, 2026
Mar 18, 2026
Mar 06, 2026
Mar 03, 2026
Mar 03, 2026
Mar 03, 2026
|
May 15, 2026
May 13, 2026
May 01, 2026
Apr 20, 2026
Apr 20, 2026
Apr 20, 2026
|
|
Middle-Range Overweight Permits
|
North
North-Central
Central
Metro
South
Southeast
|
May 15, 2026
May 13, 2026
May 01, 2026
Apr 20, 2026
Apr 20, 2026
Apr 20, 2026
|
|
|
Full-Summer Overweight Permits
|
North
North-Central
Central
Metro
South
Southeast
|
May 15, 2026
May 08, 2026
May 08, 2026
May 08, 2026
|
|
|
 |
Normal Legal Loads, Winter Load Increases, Middle-Range and Full-Summer Overweight Permits Available |
 |
Normal Legal Loads, Spring Load Restrictions Imminent |
 |
Spring Load Restrictions Enforced |
 |
Normal Legal Loads, Middle-Range Overweight Permits Available |
 |
Normal Legal Loads, Middle-Range and Full-Summer Overweight Permits Available |
|
