Weather WorldCalmar, IA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Calmar Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
 |  |  |  |  |  | | | | |  | |
| Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Showers | Showers | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C Lo: 59°FLo: 15°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C Lo: 50°FLo: 10°C |
| POP: 40% | POP: 40% | POP: 60% | POP: 70% | POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 552 PM CDT Sat Sep 26 2026 
Calmar Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Calmar Weather Map
Calmar Quick Facts
Calmar Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 708 PM CDT Sat Sep 26 2026
Key Messages
- Light rain chances continue through Sunday morning with the highest chances (40-70%) west of the Mississippi River through sunrise on Sunday.
- After a dry Sunday night through Monday, rain chances return on Tuesday through the rest of the week.
- Temperatures will remain seasonal in the 60s to 70s.
Discussion
... Issued at 120 PM CDT Sat Sep 26 2026
This afternoon through Sunday: Scattered Light Rain Showers
An H500 shortwave trough is moving over the region today and is aiding in developin...