National Weather Service United States Department of Commerce

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. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Click image for full-resolution data. Please Note: Temperature, dew point, and relative humidity data are auxiliary. Official climate information for NWS Rapid City can be found in our Climate Summary Product.

5-Minute Temperatures, Dewpoint, Wind Chill
2-Minute Wind, Wind Gust, Direction
5-Second Altimeter