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St. Johns, AZ Weather Forecast
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St. Johns Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Patchy Fog | Clear | Sunny | Mostly Clear | Mostly Clear | Clear | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm |
| Hi: 59°FHi: 15°C | Lo: 47°FLo: 8°C | Hi: 69°FHi: 21°C | Lo: 48°FLo: 9°C | Hi: 70°FHi: 21°C | Hi: 72°FHi: 22°C Lo: 47°FLo: 8°C | Hi: 72°FHi: 22°C Lo: 47°FLo: 8°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 73°FHi: 23°C | Lo: 50°FLo: 10°C |
| POP: 30% | POP: 10% | POP: 10% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1134 AM MST Wed Sep 30 2026 
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Issued: 1128 AM MST Wed Sep 30 2026
Discussion
...Today...Our upper-level low from the past couple of days has moved eastward into New Mexico. Lingering moisture will resulting in a few scattered showers and possibly a thunderstorm through this afternoon, primarily across eastern Arizona. Otherwise, drier conditions and cool temperatures will prevail across much of the area.
River flooding remains a threat along the Little Colorado River, with many gauges reaching or expected to reach minor flood stage from St. Johns to Winslow. Ref...