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Potential for at least 2 inches of snow
Potential for at least 4 inches of snow
Potential for at least 6 inches of snow
Potential for at least 0.10 inches of ice
Potential for at least 0.25 inches of ice
Potential for at least 0.50 inches of ice
Expected Snow Forecast
Expected Ice Forecast
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Weather Story Graphic Tab 3
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Prototype IDSS Point Forecasts Page
6-10 Day Temperature Outlook
6-10 Day Precipitation Outlook
3-7 Day Hazards Outlook
8-14 Day Temperature Outlook
8-14 Day Precipitation Outlook
8-14 Day Hazards Outlook
Day 1 Non-thunderstorm Wind Risk
 

NWS Chicago, IL Experimental Winter Weather Liaison Webpage

This page will auto-update every 15 minutes.

If you notice old data, try reloading the page while ignoring caching by hitting Shift + F5 on a PC, or Shift + Command + R on a Mac. 

Back to NWS Chicago, IL Main Page

0-36 Hours

National, Regional, and Local Radar Loops

National Interactive Map   |   Regional Interactive Map

National Radar Image
No warnings displayed on this national loop.
Upper Mississippi Valley Radar Image Great Lakes Radar Image

Local Controllable Loop  |  Local Interactive Map
Local Radar Image

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Hourly Precipitation Graphs

Click on a location for hourly precipitation plot. Click the plot to clear the display.

These images will update around: 3:30 AM, 11:00 AM, 3:30 PM, 6:00 PM, and 9:30 PM.

RockfordWoodstockWaukeganChicagoO'HareMidwayDuPageAuroraDeKalbRochelleYorkvilleJolietDeKalbGaryValparaisoRensselaerKankakeePontiacPaxtonWatsekaFowlerLa Salle/Peru

 


Detailed Hourly Forecasts

 

Interactive Detailed Forecast Webpage

 

Forecast Points Information


Graphical Messaging Information

 

Enhanced Hazardous Weather Outlook

Click an individual hazard block below for more information

Wind Risk
Fog Risk
Excessive Cold Risk
Ice Accumulation Risk
Snow/Sleet Risk
Lakeshore Flood Risk
Last Update: Sunday January 12th 2025, 8:59 pm
Threat
Level
Key
None
Limited
Elevated
Significant
Extreme
 
 
 
 
 

   

Link to Weather Story Matrix

 

 

DSS Packet
 
No DSS Packet is currently in effect.

Snow and Ice Forecasts

Snow Accumulation
Please be sure to check the "Valid" time range at the top of each image, as well as the last update time at the bottom.

Expected Snowfall Forecast

This image will update around 3:35 AM/PM, and additionally as needed.

Total Snowfall

 

Snow Exceedance Probabilities
These images will update around 3:45 AM/PM
>= 2" >= 4" >= 6"
Potential for at least a Trace of snow (link)
Potential for at least 1 Inch of snow (link)
Potential for at least 8 Inches of snow (link)
 
Ice Accumulation
Please be sure to check the "Valid" time range at the top of each image, as well as the last update time at the bottom.

Expected Ice Accumulation Forecast

This image will update around 3:35 AM/PM, and additionally as needed.

Ice Exceedance Probabilities
>= 0.1" >= 0.25" >= 0.5"
Potential for at least a 0.01" of ice (link)
 


Detailed Forecasts (Legacy Point and Click Page)

Current Conditions and
Seven Day Forecast

 

 

 

-- OR -- Hourly Weather Graph
(click on your location on the map)

NWS Chicago Watch/Warning/Advisory Criteria

 

 

 

 

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