Johnstown, NE Weather Forecast
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Johnstown Weather Forecast
| THIS AFTERNOON | TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Clearing | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C |
| POP: 20% | POP: 30% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 143 PM CDT Sun Sep 06 2026 

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Issued: 1258 PM CDT Sun Sep 6 2026
Key Messages
- A cluster of thunderstorms will move across western Nebraska into the Sandhills tonight into early Sunday morning.
- Above normal temperatures continue through the holiday weekend, with a chance of thunderstorms late Monday.
- Precipitation chances will decrease towards the middle of the week as high pressure works in and brings relatively cooler temperatures with it.
Aviation
/18Z TAFS THROUGH 18Z MONDAY/... Issued at 1255 PM CDT Sun Sep 6 2026
Mainly VFR conditions can be expected through...
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