Roadway Weather Information System
The IEM curates an archive of RWIS information. The Iowa data has been provided by the Iowa DOT through a long standing partnership since the founding of the IEM. Data for other states is provided via the NOAA MADIS system.
Roadside Webcams
Current Conditions
- Atmospherics
- Pavement
- Soil Probes
- Traffic Data
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IEM Freeze
Combine air and pavement temperatures with current RADAR.
