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Madison Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | |  | | | | | | | | |
| Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 PM CDT Thu Sep 03 2026 
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Issued: 1208 PM CDT Thu Sep 3 2026
Key Messages
- An Extreme Heat Warning is now effect until Saturday evening as the dangerous late season heatwave continues.
- Temperatures are forecast to "cool" slightly Sunday into Labor Day before another period of near-record breaking heat returns by the middle of next week.
Aviation
/18Z TAFS THROUGH 00Z SATURDAY/... Issued at 1204 PM CDT Thu Sep 3 2026
Dry/VFR conditions with west/southwest winds backing to the south by early this evening and then veering again to the southwest Friday morning are...