Naperville
United States › Illinois
Weather Forecast
Naperville
Chance of rain: 8%
Feels like 77°F
Today's Forecast
Air Conditions
Air quality: Good
Weather Alerts
...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. * WHAT...Minor flooding likely. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...From early this morning to late this afternoon. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... - At 3:30 AM CDT Thursday the stage was 8.7 feet. - Forecast...The river is expected to crest just above flood stage this morning. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood
Effective: 2026-06-25T03:53:00-05:00...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Indiana...Illinois... Little Calumet River at Munster (Hohman Avenue) affecting Cook and Lake IN Counties. * WHAT...Near flood stage water levels likely. * WHERE...Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. * WHEN...From this evening to Friday morning. * IMPACTS...At 10.0 feet, Water overflows low-lying river banks outside of the levee-protected area in Hammond and Munster. At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 10:00 PM CDT Wednesday the stage was 11.0 feet. - Forecast...The river is expected to near flood stage overnight tonight. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
Effective: 2026-06-24T22:56:00-05:00Temperature - Past 7 Days & Forecast
Detailed 7-Day Forecast
| Day | High | Low | Condition | Rain | Wind | Humidity | UV | Sunrise | Sunset |
|---|---|---|---|---|---|---|---|---|---|
| Thu Jun 25 | 83°F | 61°F |
|
8% | 17 km/h | 74% | 8.4 | 05:19 AM | 08:31 PM |
| Fri Jun 26 | 64°F | 58°F |
|
24% | 16 km/h | 82% | 2.2 | 05:19 AM | 08:31 PM |
| Sat Jun 27 | 78°F | 56°F |
|
17% | 14 km/h | 76% | 9.5 | 05:19 AM | 08:31 PM |
| Sun Jun 28 | 82°F | 63°F |
|
61% | 19 km/h | 85% | 9.1 | 05:20 AM | 08:31 PM |
| Mon Jun 29 | 89°F | 73°F |
|
12% | 22 km/h | 82% | 8.9 | 05:20 AM | 08:31 PM |
| Tue Jun 30 | 91°F | 74°F |
|
10% | 21 km/h | 83% | 0.6 | 05:21 AM | 08:31 PM |
| Wed Jul 1 | 93°F | 74°F |
|
7% | 15 km/h | 76% | 7 | 05:21 AM | 08:31 PM |