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Mount Morris Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  | |  |  |  |  | | |  |  |
| Patchy Fog | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Clear | Mostly Sunny | Clear | Mostly Sunny | Partly Cloudy | Showers Likely |
| Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C |
| POP: 60% | POP: 80% | POP: 40% | POP: 50% | POP: 40% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 913 PM EDT Fri Sep 11 2026 
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Issued: 711 PM EDT Fri Sep 11 2026
Key Messages
1) Widespread rain and isolated thunderstorms expected on Saturday with flooding possible
2) Potential for severe thunderstorms Sunday afternoon and evening with a cold front
3) A brief bout of dry weather returns early next week
Discussion
... KEY MESSAGE 1... After a brief bout of shortwave ridging departs on Friday, deep layer southwest flow strengthens on Saturday as a mid-level trough approaches. Deep layer moisture increase is noted in both the HREF and REFS with mean PWAT values n...