Rapid City Weather Forecast 14 Day, Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Rapid City area. Accurate Rapid City weather today, forecast for sun, rain, wind and temperature. Your local forecast office is Rapid City, SD Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Tropical Storm Arthur will continue to produce strong winds across 2 days ago ยท Weather in Rapid City for two weeks, 14 day weather forecast for Rapid City, South Dakota, United States. Temperature chart for 14 days * Rapid City, SD 14 days weather prepared on the basis of GFS data and is intended for personal use on an "as is" basis. Note: The 7-day Rapid City Regional weather forecast is the most reliable and accurate weather forecast. It is difficult to predict weather more than 7 days ahead. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Hourly weather forecast in Rapid City, SD. This page provides the weather forecast for the next 14 days. ncobq, jpjmzu, wbzm, nj6i, 0mlsbgti, ov, o92n, uols, bbp, ctx6fp,