 Your news radio, WJPF First Alert forecast calls for mostly clear skies tonight and a low of 64. For tomorrow, sunshine with a high of 90. The forecast is brought to you by AES Solar on Route 13 in Carterville. Southern Illinois' solar experts since 1999. Lower your electric bills? Visit AESSolar.com. Partly sunny, hot, and humid on Saturday. A heat index value could approach 110, and there is a 30% chance of isolated showers and possibly thunderstorms. Butcher.