Weather WorldMartelle Lake, IA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Martelle Lake Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  |  |  |  | |  | | |  | |
| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Sunny | Clear | Partly Cloudy | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny | Chance of Showers | Partly Cloudy |
| Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C |
| POP: 70% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1207 AM CDT Fri Aug 21 2026 
Martelle Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Martelle Lake Weather Map
Martelle Lake Quick Facts
Martelle Lake Forecast Discussion
Issued: 1220 AM CDT Fri Aug 21 2026
Key Messages
- Scattered shower and storms move through the area through the morning and early afternoon with some potentially on the stronger side, especially for areas in southwest Wisconsin.
- Seasonal temperatures continue into next week with highs in the 70s to lower 80s.
- Dry weekend with the next potential round of storms coming Tuesday and Wednesday of next week.
Discussion
... Issued at 1205 AM CDT Fri Aug 21 2026
Today: Storm Potential
Invigorating upper level north...