Lafayette, MN Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lafayette Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 59°FLo: 15°C | Hi: 61°FHi: 16°C | Lo: 60°FLo: 16°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C |
| POP: 50% | POP: 100% | POP: 80% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1158 PM CDT Thu Sep 17 2026 

Lafayette Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lafayette Weather Map
Lafayette Quick Facts
Lafayette Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1246 AM CDT Fri Sep 18 2026
Key Messages
- Widespread steady soaking rain is expected Friday into early Saturday.
- The highest amounts will be near I-90, where heavy rain and flooding are possible, mainly Friday evening.
- Looking ahead into next week, temperature remain near to slightly below normal, with a few small chances for rain.
Discussion
... Issued at 157 PM CDT Thu Sep 17 2026
TONIGHT THROUGH FRIDAY NIGHT...The main concern is the potential for heavy rain and flooding across southern Minnesota. Latest guidance supports th...
Weather World