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Franklin County Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Sunny | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy |
| Hi: 72°FHi: 22°C | Lo: 48°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 47°FLo: 8°C | Hi: 73°FHi: 23°C | Hi: 77°FHi: 25°C Lo: 50°FLo: 10°C | Hi: 77°FHi: 25°C Lo: 50°FLo: 10°C | Hi: 77°FHi: 25°C Lo: 50°FLo: 10°C | Lo: 51°FLo: 11°C | Hi: 73°FHi: 23°C | Hi: 73°FHi: 23°C Lo: 49°FLo: 9°C | Hi: 73°FHi: 23°C Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 AM MDT Mon Sep 21 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1202 PM MDT Mon Sep 21 2026
Key Messages
- Next chance of showers and storms on Tuesday/Tuesday night
- Temperatures continue to warm up through the end of the week
- Cooler, breezy, and an increasing chance of showers and storms next weekend
Discussion
... Issued at 1142 AM MDT Mon Sep 21 2026
The next chance of rain with thunderstorms will be tomorrow, especially later in the day through tomorrow night. Low pressure will gradually shift over the state in the next 24 hours, then quickly east of the Divide by Wednesday morning. Prec...