Weather World
Spring Grove, IN Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Spring Grove Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | |  |  | | |  |  |  | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Clearing | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C |
| POP: 40% | POP: 40% | POP: 20% | POP: 40% | POP: 50% | POP: 50% | POP: 50% | POP: 30% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 405 PM EDT Wed Sep 16 2026 
Spring Grove Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Spring Grove Weather Map
Spring Grove Quick Facts
Spring Grove Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 737 PM EDT Wed Sep 16 2026
Key Messages
1) Heat and humidity continue through Thursday, with occasional chances for storms through the forecast period.
Discussion
... KEY MESSAGE 1)
The center of a large mid level ridge remains over the TN Valley this evening. ILN/s area is in the warm and moist airmass with PWAT values around 2 inches. The primary threat tonight will continue to be heavy rain. Also, model solutions suggest that a 8H low level jet around 30 kts will act to generate a potential MCS. This complex will likely de...