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Mount Signal School, CA Weather Forecast
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Mount Signal School Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  | | | |  | | | | | | |
| Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 114°FHi: 46°C | Lo: 83°FLo: 28°C | Hi: 109°FHi: 43°C | Lo: 83°FLo: 28°C | Hi: 112°FHi: 44°C | Lo: 87°FLo: 31°C | Hi: 115°FHi: 46°C | Lo: 89°FLo: 32°C | Hi: 115°FHi: 46°C | Lo: 87°FLo: 31°C | Hi: 116°FHi: 47°C | Lo: 90°FLo: 32°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1026 AM PDT Sun Aug 23 2026 
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Issued: 1058 AM MST Sun Aug 23 2026
Key Messages
- Isolated to scattered thunderstorms, some strong to possibly even severe, are expected this evening across south-central Arizona.
- Increasingly less favorable conditions for thunderstorms will develop starting Monday with virtually no chances for rain from Tuesday through the rest of the week.
- High temperatures will reach or exceed 110 degrees nearly every day this week and will be near daily records, while morning lows remain unusually warm.
- Extreme Heat Warnings are in effect throug...