North Charleston, SC · Updated Tue, Jul 28, 8:39 AM
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 14 working hrs at planning threshold)
⚠Heat index 106°F > 105°F (cap: C)
Tap a day for the detailed breakdown
Wind gusts in the 7–21 mph range, peak near 8 PM. Heat index reaches 106°F around 4 PM, NWS Danger zone.
Peak Forecasted Gust (10-day)
29 mph
Peak on Sun, Aug 2
Precipitation (3-Day Peak)
37%
Highest on Wed, Jul 29
Heat Index (Today Peak)
106°F
OSHA Danger — limit outdoor work
| Threshold | Today Jul 28 Peak: 23 mph | Tomorrow Jul 29 Peak: 22 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: 24 mph |
|---|---|---|---|---|---|---|
20 mphPlanning threshold | 82% | 52% | 8% | 78% | 94% | 54% |
24 mphCrane operations suspended | 6% | 14% | 2% | 18% | 64% | 24% |
35 mphAll steel erection suspended | 0% | 2% | 0% | 0% | 4% | 4% |
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 8:39 AMShaded 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 |
|---|---|---|---|---|---|
| 8:00 AM↗ 6:30 AM | 1 mph | 7 mph | SW | Sunny | |
| 9:00 AM | 5 mph | 7 mph | SW | Sunny | |
| 10:00 AM | 7 mph | 7 mph | SW | Sunny | |
| 11:00 AM | 8 mph | 7 mph | SW | Mostly Sunny | |
| 12:00 PM | 9 mph | 8 mph | SW | Mostly Sunny | |
| 1:00 PM | 10 mph | 9 mph | SW | Mostly Sunny | |
| 2:00 PM | 12 mph | 11 mph | SW | Mostly Sunny | |
| 3:00 PM | 13 mph | 13 mph | SW | Mostly Sunny | |
| 4:00 PM | 15 mph | 14 mph | SW | Mostly Sunny | |
| 5:00 PM | 15 mph | 15 mph | S | Mostly Sunny | |
| 6:00 PM | 16 mph | 16 mph | S | Partly Cloudy | |
| 7:00 PM | 15 mph | 18 mph | S | Mostly Clear | |
| 8:00 PM↘ 8:22 PM | 14 mph | 21 mph | SW | Partly Cloudy |