Weather World
Buchanan County, IA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Buchanan County Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  | |  |  | | | | | |
| Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Partly Sunny | Partly Cloudy | Chance of Showers | Showers | Showers | Showers | Showers | Chance of Showers |
| Hi: 61°FHi: 16°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 61°FLo: 16°C | Hi: 70°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 60°FLo: 16°C | Hi: 69°FHi: 21°C Lo: 60°FLo: 16°C | Lo: 55°FLo: 13°C |
| POP: 70% | POP: 40% | POP: 50% | POP: 80% | POP: 70% | POP: 60% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 226 PM CDT Sat Sep 26 2026 
Buchanan County Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Buchanan County Weather Map
Buchanan County Quick Facts
Buchanan County Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 223 PM CDT Sat Sep 26 2026
Key Messages
- Occasional light rain is possible in areas along and west of the Mississippi River through early Sunday morning, with mostly dry conditions moving in later Sunday into Monday.
- Another active weather pattern will set up in the middle of the upcoming work week, bringing the potential for rounds of heavy rainfall and thunderstorms to the area.
- Temperatures will remain near to slightly above seasonal norms through the next week.
Aviation
/18Z TAFS THROUGH 18Z SUNDAY/... Issued at 1250 PM C...