first alert weather September 20, 2024 8:39 pm NBC6 First Alert forecast – Sept. 20, 2024 evening Meteorologist Steve MacLaughlin has the latest forecast Friday, Sept. 20, 2024. US & World Videos 2:51 NBC6 First Alert forecast – Dec. 21, 2024 morning 1:17 NBC6 First Alert forecast – Dec. 20, 2024 evening 2:56 NBC6 First Alert Forecast – Dec. 20, 2024 – Morning 3:25 NBC6 First Alert Forecast – Dec. 19, 2024 – Morning 0:58 South Florida weather forecast – evening – Dec. 18, 2024