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Harrier Marsh, IA Weather Forecast
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Harrier Marsh Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  | |  | | | |  | |  |
| Chance of T-Storm | Patchy Fog | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of Showers |
| Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C |
| POP: 20% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 658 PM CDT Tue Aug 18 2026 
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Issued: 632 PM CDT Tue Aug 18 2026
Key Messages
- The thunderstorm threat has increased this afternoon to evening over northern Iowa where a Slight (Level 2 of 5) Risk for severe storms has been introduced. Large hail is the primary threat up to around 2", though an isolated larger hailstone is possible. Damaging wind gusts could also occur but the heavy rain threat has lessened.
- A few storms possible again on Wednesday, mainly over western Iowa. The threat for severe weather is low.
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