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Linn County, IA Weather Forecast
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Linn County Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | | | | |  | | | |
| Mostly Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 AM CDT Sun Oct 04 2026 
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Instant definitions for any meteorological term.
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Issued: 550 AM CDT Sun Oct 4 2026
Key Messages
- Pleasant, mainly dry weather is forecast through the period with near to above normal temperatures.
Aviation
/12Z TAFS THROUGH 12Z MONDAY/... Issued at 545 AM CDT Sun Oct 4 2026
VFR will continue through the period as high pressure builds into the Plains and Upper Mississippi Valley region. Northwest winds between 10 - 15 kts, with slightly higher gusts at times, are expected through the daytime hours.
Watches / Warnings / Advisories
/WARNINGS/ADVISORIES... IA...None. IL...None. MO...None...