The weather criteria that must be satisfied for a go to launch is insane, and is constantly updated. LightningDo not launch for 30 minutes after lightning is observed within 10 nautical miles of the launch pad or the flight path, unless specified conditions can be met. Downrange weatherDo not launch if downrange weather indicates a violation of limits at splashdown in case of Dragon launch escape. Do not launch if downrange weather shows a high probability of violating limits at splashdown in case of Dragon launch escape. Notice that the forecast is for much more than at and near the launch pad itself.