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Grundy County Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Clearing | Sunny | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy |
| Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C |
| POP: 20% | POP: 60% | POP: 40% | POP: 40% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 523 AM CDT Wed Aug 26 2026 
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Issued: 756 AM CDT Wed Aug 26 2026
Key Messages
Updated at 753 AM CDT Wed Aug 26 2026- Low to medium shower and thunderstorm chances return late morning today into Thursday. There is a low chance for severe thunderstorms through this evening, mainly west of I-24.
- Main concern will be strong to damaging winds with any storms today.
- Hot and dry next week with highs in the low to mid 90s.
Aviation
... (12Z TAFS) Issued at 608 AM CDT Wed Aug 26 2026
VFR conditions for most of this TAF cycle with light south to southwest winds. Have introd...