Latest Supermosaic radar image from NIU WEATHER. Green indicates light rain; yellow, moderate rain; orange/red heavy to intense rain; and purple and white echoes are likely severe storms. Tornadoes cannot be inferred except by trained meteorologists.

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Go to: Single Site Images, NIU Mosaic Regions, NIU State Mosaics, Lightning Images, COD Backup Doppler Images, COD Backup Mosaic Images, Other Current Radar Images


Live Single-Site Imagery (Note: BREF1 reflectivity images are what you see on TV.)


Super-Resolution, delayed 4-10 minutes due to nature of data transmission

  • Romeoville/Chicago: Bref1, (Loop), Zoom, (Loop)

  • Davenport/Quad Cities, IA: Bref1, (Loop), Zoom, (Loop)

  • Milwaukee/Sullivan, WI: Bref1, (Loop), Zoom, (Loop)

  • Lincoln/Central IL: Bref1, (Loop), Zoom, (Loop)

  • Super-resolution with polygon warnings displayed: Base Reflectivity,Loop
    (red=severe thunderstorm warning, purple=tornado warning, green=flash flood warning)

  • FAA Terminal Doppler Weather Radar (TDWR) imagery:

    NIU 1 KM Resolution Mosaic Images and Animations, Updated Every 5 Minutes!


    Regional Mosaics:

    State Images:


    Cloud-To-Ground Lightning Strike Images, Updated Every 5 Minutes (internal only)



    Other Radar Images That Area Reasonably Current


    Current Radar Mosaics From Freese-Notis Via UNISYS, Updated Every 15 Minutes



    Current Radar Mosaics From The Weather Underground, Updated In Real-Time Every 15 Minutes!



    Current Radar Mosaics From Accu-Weather, Updated In Real-Time Every 15 Minutes!



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