Montgomery County, MO Weather Forecast
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Montgomery County Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Drizzle | Drizzle | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 61°FLo: 16°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°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 | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C |
| POP: 20% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 458 PM CDT Mon Sep 21 2026 

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Meteorlogic Glosserator
Instant definitions for any meteorological term.
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Issued: 250 PM CDT Mon Sep 21 2026
Key Messages
- Scattered showers and an isolated sub-severe thunderstorm are possible (20-30%) across southern MO/IL this afternoon and evening.
- Cool conditions are expected this week with a gradual warmup to near normal temperatures by the weekend.
Aviation
/18Z TAFS THROUGH 00Z WEDNESDAY/... Issued at 1245 PM CDT Mon Sep 21 2026
A widespread field of low MVFR/IFR stratus is positioned across the Midwest, encompassing all local terminals. This stratus will continue impacting the region into tomorrow ...
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