Neptune, IA Weather Forecast
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Neptune Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers |
| Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C |
| POP: 30% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 133 AM CDT Mon Oct 19 2026 

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Issued: 1044 PM CDT Sun Oct 18 2026
Key Messages
- Patchy fog is possible tonight, though the potential for fog is low (<=20%).
- Above normal temperatures expected through next weekend, from 10 to 20 degrees above normal Wednesday through Saturday morning.
- Precipitation chances remain very low (less than 10%) until late week.
- Continued dry, warm, and periodically breezy conditions could lead to elevated fire concerns through the week.
Discussion
... Issued at 120 PM CDT Sun Oct 18 2026
Quiet weather ahead for the next several days. A weak front...
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