Weather World
Dempster Junior High School, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Dempster Junior High School Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT |
 |  |  | | | | |  | | | |  |
| Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy |
| Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 20% | POP: 30% | POP: 70% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 251 PM CDT Wed Sep 02 2026 
Dempster Junior High School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Dempster Junior High School Weather Map
Dempster Junior High School Quick Facts
Dempster Junior High School Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 246 PM CDT Wed Sep 2 2026
Key Messages
- Hot and humid conditions will persist through Thursday afternoon, especially south of I-80, with peak heat indices around 100 to 105F.
- Several rounds of thunderstorms will move through the general area Thursday through Saturday. Some of these may be severe.
- A break in the hot and humid pattern may arrive by early next week.
Discussion
... Issued at 246 PM CDT Wed Sep 2 2026
Broad upper ridging continues to reside across the Ohio and Tennessee River Valleys and southern Great Lakes which...