Main / Current Forecast and Imagery
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Latest Radar for KIWX
For regional radar animation, visit College of DuPage NEXRAD Viewer (Indiana subsector)
For six day archive of radar data, visit rap.ucar.edu
Latest Satellite Image for Central Great Lakes sector
For all sectors, see GOES-16 Geocolor Imagery
For regional satellite animation, visit College of DuPage GOES-16 Viewer (Indiana subsector)
For four day archive of satellite imagery, visit rap.ucar.edu
My NWS Forecast
Forecast issued 2:31 pm EDT Aug 18, 2026
|
This  High: 80°F
Partly Sunny |
Tonight  Low: 65°F
Mostly Cloudy |
Wednesday  High: 79°F
Slight Chance |
Wednesday  Low: 58°F
Chance |
Thursday  High: 79°F
Sunny |
Thursday  Low: 57°F
Mostly Clear |
Friday  High: 79°F
Mostly Sunny |
Friday  Low: 61°F
Slight Chance |
Saturday  High: 78°F
Chance |
For detailed discussion and confidence, see latest Forecast Discussion
For hourly details, see latest Hourly Forecast Graphics
For numerical models, see College of DuPage Meteorology Numerical Model Data
Clear Sky Chart
| Cloud Cover | Overcast | 90% covered | 80% covered | 70% covered | 60% covered | 50% covered | 40% covered | 30% covered | 20% covered | 10% covered | Clear |
| Transparency | Too cloudy to forecast | Poor | Below Average | Average | Above average | Transparent |
| Seeing | Too cloudy to forecast | Bad 1/5 | Poor 2/5 | Average 3/5 | Good 4/5 | Excellent 5/5 |
| Darkness | -4 | -3 | -2 | -1 | 0 | 1.0 | 2.0 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.2 | 5.4 | 5.6 | 5.8 | 6.0 |
| Day | Dusk | Twilight | Full Moon | No Moon | |||||||||||||
| Temperature | |||||||||||||||||||
| °F | -40 | -31 | -22 | -13 | -4 | 5 | 14 | 23 | 32 | 41 | 50 | 59 | 68 | 77 | 86 | 95 | 104 | 113 |
|  IN-AL-99 |
