North Charleston, SC · Updated Tue, Jul 28, 3:07 PM
forecasted gust
observed sustained
Daylight
6:03 AM – 8:50 PM
14.8 hrs daylight
Working: 15 hrs
Crane Hours
~13.8 hrs
Mobile Hydraulic / 30 mph gust limit
Score: 91 / 100
⚠Brief wind window (1 of 6 working hrs at planning threshold)
⚠Heat index 107°F > 105°F (cap: C)
Tap a day for the detailed breakdown
Wind gusts in the 16–20 mph range, peak near 8 PM. Heat index reaches 107°F around 3 PM, NWS Danger zone.
Peak Forecasted Gust (10-day)
29 mph
Peak on Sun, Aug 2
Precipitation (3-Day Peak)
20%
Highest on Wed, Jul 29
Heat Index (Today Peak)
107°F
OSHA Danger — limit outdoor work
| Threshold | Today Jul 28 Peak: 21 mph | Tomorrow Jul 29 Peak: 19 mph | Day 3 Jul 30 Peak: 17 mph | Day 4-5 Jul 31 – Aug 1 Peak: 24 mph | Day 6-7 Aug 2 – 3 Peak: 29 mph | Day 8-10 Aug 4 – 6 Peak: 25 mph |
|---|---|---|---|---|---|---|
20 mphPlanning threshold | 52% | 16% | 6% | 78% | 94% | 76% |
24 mphCrane operations suspended | 2% | 4% | 0% | 18% | 64% | 38% |
35 mphAll steel erection suspended | 0% | 0% | 0% | 0% | 4% | 2% |
50 mphSevere threshold | 0% | 0% | 0% | 0% | 0% | 0% |
88 mphASCE 37 construction wind | 0% | 0% | 0% | 0% | 0% | 0% |
Probability = % of ensemble members predicting gusts at or above threshold in each time window. Based on ECMWF IFS ensemble.
Updated 3:07 PMShaded band = 10th–90th percentile range. Dashed gray = ensemble maximum. Dashed colored lines = gust thresholds. Hover/tap for details.
NWS sustained wind · Ensemble forecasted gusts · * NWS gust estimate · Off-hours
| Status | Time | Sustained | Forecasted Gust | Dir | Conditions |
|---|---|---|---|---|---|
| 3:00 PM | 12 mph | 16 mph | SW | Mostly Sunny | |
| 4:00 PM | 13 mph | 17 mph | SW | Partly Sunny | |
| 5:00 PM | 14 mph | 18 mph | SW | Mostly Sunny | |
| 6:00 PM | 14 mph | 19 mph | S | Partly Cloudy | |
| 7:00 PM | 14 mph | 19 mph | S | Partly Cloudy | |
| 8:00 PM↘ 8:22 PM | 13 mph | 20 mph | SW | Partly Cloudy |