Ottawa, KS Weather Forecast
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Ottawa Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C |
| POP: 70% | POP: 70% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 942 PM CDT Wed Sep 16 2026 

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Issued: 636 PM CDT Wed Sep 16 2026
Key Messages
- Fog development is looking likely tonight, including the potential for locally dense fog along and north of Interstate 70.
- Above-normal temperatures hold through the end of the week.
- A cold front brings increased chances for showers and storms this weekend along with cooler temperatures to begin next week.
Discussion
... Issued at 214 PM CDT Wed Sep 16 2026
Southwest flow aloft remains over the Central Plains this afternoon, wedged between a mid-level ridge across the southeast CONUS an...
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