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Grannis Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  | | |  | | | | |  | |
| Chance of T-Storm | Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Partly Cloudy | Mostly Clear |
| Lo: 70°FLo: 21°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 450 PM CDT Mon Sep 07 2026 
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Issued: 624 PM CDT Mon Sep 7 2026
Key Messages
Issued at 300 AM CDT Mon Sep 7 2026- Heat Advisories are in effect for portions of W, SW, S, SE AR today
- Scattered showers/storms are possible over SW AR this afternoon
- Backdoor cold front may bring lower heat indices today and Tuesday
- Upper level pattern shift by late week may introduce rain chances
Discussion
... Issued at 300 AM CDT Mon Sep 7 2026
Abnormally hot and dry conditions will continue across much of AR beneath an expansive upper ridge. This ridge is expected to remain nearly...