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Brown School Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | |  | |  |  | | | | | |
| Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of T-Storm |
| Hi: 95°FHi: 35°C | Lo: 79°FLo: 26°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C |
| POP: 20% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 303 AM CDT Thu Sep 03 2026 
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Issued: 117 AM CDT Thu Sep 3 2026
Key Messages
- Heat and humidity will persist through Friday and perhaps beyond. The Heat Advisory remains in effect for areas along and south of Interstate 80.
- Scattered thunderstorms will affect portions of western and northern Iowa through this morning, but severe weather is unlikely. Low thunderstorm chances (~30%) are then forecast in far northeastern Iowa late tonight into Friday morning, where there will be a marginal risk of severe storms.
Aviation
/06Z TAFS THROUGH 06Z FRIDAY/... Issued at 1...