Mesa, ID Weather Forecast
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Mesa Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Clouds | Mostly Sunny | Thunderstorms | Chance of T-Storm | Patchy Fog | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers |
| Lo: 51°FLo: 11°C | Hi: 74°FHi: 23°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 46°FLo: 8°C | Hi: 73°FHi: 23°C | Hi: 78°FHi: 26°C Lo: 50°FLo: 10°C | Hi: 78°FHi: 26°C Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 76°FHi: 24°C Lo: 56°FLo: 13°C | Hi: 76°FHi: 24°C Lo: 56°FLo: 13°C |
| POP: 80% | POP: 90% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM MDT Sat Sep 05 2026 

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Issued: 1213 AM MDT Sun Sep 6 2026
Key Messages
- Widespread showers and isolated thunderstorms late Sunday through Monday.
- Cooler Monday, then warming through Friday.
Aviation
/06Z Sunday through Monday/... Issued 1211 AM MDT SUN SEP 6 2026 Generally VFR. Patchy mountain-valley fog/low stratus in the AM. Scattered showers/isolated thunderstorms moving SW to NE over southwest Idaho through morning. Then, numerous showers and thunderstorms moving into E Oregon Sunday afternoon, and into SW Idaho by evening. MVFR in local heavy rain, an...
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