Weather

Weather information is an important factor to support maintenance operations at the Iowa Department of Transportation (DOT). Visit the links listed below for information about weather-related road information systems and weather services.

• Aviation weather observation system (AWOS) map
• Iowa National Weather Service forecasts
• National Weather Service
• RWIS description
• Road weather information system (RWIS) map
• Weather index
• Weatherview
• Winter weather historical facts (charts/graphs/maps)