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Greendale High School, WI Weather Forecast
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Greendale High School Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | | |  | | | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C |
| POP: 60% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 50% | POP: 30% | POP: 40% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1030 PM CDT Sun Aug 30 2026 
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Issued: 1204 AM CDT Mon Aug 31 2026
Key Messages
- Heat & humidity continues through at least mid-week. Afternoon heat indices in the low-mid 90s expected each day, with upper 90s to near triple digits possible in areas experiencing more sunshine.
- Slight chances (~15-30%) for afternoon storms Monday and Tuesday. An isolated severe storm with hail or gusty winds can`t be ruled out if development occurs.
- Periods of off/on showers and storms linger through the second half of the week.
Aviation
... Issued 1210 AM CDT Mon Aug 31 2026
Mainly ...