Melvin, IA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Melvin Weather Forecast
| OVERNIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy |
| Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 60°FLo: 16°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 59°FHi: 15°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C |
| POP: 100% | POP: 90% | POP: 60% | POP: 40% | POP: 40% | POP: 40% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1044 PM CDT Thu Sep 17 2026 

Melvin Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Melvin Weather Map
Melvin Quick Facts
Melvin Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1252 AM CDT Fri Sep 18 2026
Key Messages
- Showers and thunderstorms will continue tonight through Friday early afternoon. While severe weather is not expected, locally heavy rainfall will be the main threat. Widespread accumulations of 1-2+ inches are expected along and north of I-90. Locally higher amounts are also possible, potentially exceeding 4+ inches. Minor impacts to rivers and streams, ponding in poor drainage areas, and urban street flooding are all possible.
- A low end severe storm threat is possible Friday afterno...
Weather World