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STEEL WEATHER

Steel Erection Weather Intelligence

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All Clear

North Charleston Steel Erection

North Charleston, SC · Updated Sat, Jun 13, 3:48 AM

Current Conditions

KCHS
Heat Advisoryuntil Sat 9:00 PM
11mph

forecasted gust

6mph

observed sustained

WSW
77°FMostly Sunny then Chance Showers And ThunderstormsH: 98° · L: 78°
Observed 3:30 AM

Daylight

5:42 AM – 8:57 PM

15.2 hrs daylight

Working: 16 hrs

Crane Hours

~14.2 hrs

Mobile Hydraulic / 30 mph gust limit

Today's Erection Grade

C
Fair— increased monitoring

Score: 82 / 100

Wind
100
Precip
84
Lightning
75
Temp
40

⚠Intermittent rain (3 of 16 working hrs)

⚠Intermittent storm risk (5 of 16 working hrs)

⚠Heat index 108°F > 105°F (cap: C)

7-Day Erection Grade Forecast

Tap a day for the detailed breakdown

Today's Outlook

Light wind gusts throughout (peak 19 mph). Rain most likely between 3 PM and 4 PM. Thunderstorm risk from 2 PM to 7 PM; 30/30 lightning protocol may apply. Heat index reaches 108°F around 4 PM, NWS Danger zone.

Peak Forecasted Gust (10-day)

32 mph

Peak on Tue, Jun 16

Precipitation (3-Day Peak)

61%

Highest on Mon, Jun 15

Heat Index (Today Peak)

108°F

OSHA Danger — limit outdoor work

Gust Exceedance Probability

Threshold
Today
Jun 13
Peak: 20 mph
Tomorrow
Jun 14
Peak: 25 mph
Day 3
Jun 15
Peak: 24 mph
Day 4-5
Jun 16 – 17
Peak: 32 mph
Day 6-7
Jun 18 – 19
Peak: 32 mph
Day 8-10
Jun 20 – 22
Peak: 27 mph
20 mphPlanning threshold
32%96%88%94%100%92%
24 mphCrane operations suspended
2%32%20%78%90%52%
35 mphAll steel erection suspended
0%2%0%12%14%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 3:48 AM

10-Day Ensemble Gust Forecast

Shaded band = 10th–90th percentile range. Dashed gray = ensemble maximum. Dashed colored lines = gust thresholds. Hover/tap for details.

Hourly Detail

NWS sustained wind · Ensemble forecasted gusts · * NWS gust estimate · Off-hours

Status·TimeSustainedForecasted GustDirConditions
5:00 AM6 mph12 mph
W
Partly Cloudy
6:00 AM↗ 6:10 AM6 mph12 mph
W
Mostly Sunny
7:00 AM6 mph12 mph
W
Mostly Sunny
8:00 AM5 mph11 mph
W
Mostly Sunny
9:00 AM3 mph11 mph
W
Mostly Sunny
10:00 AM5 mph10 mph
W
Sunny
11:00 AM5 mph10 mph
W
Sunny
12:00 PM6 mph10 mph
W
Sunny
1:00 PM6 mph10 mph
SW
Mostly Sunny
2:00 PM8 mph11 mph
SW
Chance Showers And Thunderstorms25%
3:00 PM9 mph12 mph
S
Chance Showers And Thunderstorms45%
4:00 PM9 mph13 mph
SW
Chance Showers And Thunderstorms51%
5:00 PM10 mph14 mph
SW
Chance Showers And Thunderstorms31%
6:00 PM10 mph15 mph
SW
Chance Showers And Thunderstorms28%
7:00 PM10 mph17 mph
S
Slight Chance Showers And Thunderstorms
8:00 PM↘ 8:28 PM10 mph19 mph
S
Partly Cloudy