Check the online itinerary for current weather, forecasts, radar and mission updates before heading out.  http://www.txpgr.org

Forecast for Mansfield on Saturday as of this posting:  Overcast with thunderstorms and a chance of rain in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 81F. Winds from the SSE at 10 to 15 mph. Chance of rain 30%