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Arba, IN Weather Forecast
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Arba Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Mostly Sunny | Thunderstorms | Chance of T-Storm | Clearing | Mostly Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of T-Storm |
| Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C Lo: 70°FLo: 21°C |
| POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1033 AM EDT Fri Sep 04 2026 
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Issued: 652 AM EDT Fri Sep 4 2026
Key Messages
- Heat Advisory in effect for all of central Indiana through late today with peak afternoon heat index values up to 108 degrees
- Isolated to scattered thunderstorms will be possible at times late today through the weekend.
Discussion
(Today through Thursday)... Issued at 316 AM EDT Fri Sep 4 2026
Ridging continues for most of central Indiana as well as heat and humidity. A heat advisory remains in effect for today as highs will remain in the 90s and may even see 100 degrees in our far SW. ...