Helmer, IN Weather Forecast
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| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Mostly Sunny | Mostly Clear |
| Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1243 PM EDT Sat Oct 17 2026 

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Issued: 1242 PM EDT Sat Oct 17 2026
Key Messages
- Widespread frost is expected Saturday night into Sunday morning with a potential of temperatures dropping to the freezing mark, especially east of IN-15. A frost advisory and freeze warning have both been hoisted.
- After the below normal temperatures this weekend, temperatures rebound back above normal for much of next work week with dry weather expected.
Discussion
... Issued at 304 AM EDT Sat Oct 17 2026
Surface high pressure continues to build in causing low level moisture to dissipat...
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