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Rainbow, WI Weather Forecast
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Rainbow Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  |  | |  | |  |  | | | |
| Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers | Sunny | Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Mostly Sunny |
| Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C |
| POP: 20% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 607 AM CDT Fri Oct 02 2026 
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Issued: 621 AM CDT Fri Oct 2 2026
Key Messages
- Widespread frost and freeze conditions are expected early Friday morning. Additional frost and freezing temperatures are expected again Friday night.
- Light rain is expected Saturday into Saturday evening, especially along the International Border.
- Another widespread frost/freeze is expected Sunday night into Monday morning.
Discussion
... Issued at 140 AM CDT Fri Oct 2 2026
For the overnight hours and early this morning, winds are very slowly decreasing in speed. However, they will rema...