Harlan, IA Weather Forecast
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Harlan Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Mostly Sunny | Mostly Clear | Sunny | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 89°FHi: 32°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 40°FLo: 4°C |
| POP: 50% | POP: 20% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 308 AM CDT Mon Oct 12 2026 

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Issued: 1156 PM CDT Sun Oct 11 2026
Key Messages
- Summer-like temperatures continue through Monday with widespread highs in the 80s and even low 90s.
- A few strong to severe storms may clip far southeast Nebraska and far southwest Iowa Tuesday afternoon and evening (5 to 15 percent chance), but higher chances remain farther south.
- More widespread rain arrives Wednesday night into Thursday.
- Fall-like temperatures return by Wednesday, with highs in the 50s and 60s into the weekend. Lows Saturday morning will dip into the 30s, with some...
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