Grattan, NE Weather Forecast
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Grattan Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm |
| Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C |
| POP: 20% | POP: 30% | POP: 70% | POP: 70% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 40% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 157 PM CDT Sat Sep 12 2026 

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Issued: 220 AM CDT Sun Sep 13 2026
Key Messages
- Stratus and a cooler airmass across the region today will bring cooler highs as low as 65 to the upper 60s across much of western and central Nebraska.
- Chances for showers and a few thunderstorms will increase tonight into Monday morning, especially across north central Nebraska.
- Thunderstorm chances return to the south by late Monday afternoon.
- Additional daily chances for showers and thunderstorms mid- week through the end of the week
- Cooler temperatures through the week into the e...
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