Union, NE Weather Forecast
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| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 65°FHi: 18°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C |
| POP: 90% | POP: 100% | POP: 90% | POP: 100% | POP: 100% | POP: 70% | POP: 40% | POP: 30% | POP: 50% | POP: 70% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 747 AM CDT Mon Sep 14 2026 

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Issued: 619 AM CDT Mon Sep 14 2026
Key Messages
- Two rounds of storms can be expected Monday. The first during the early morning hours with a strong storm or two possible. The second round, in the late afternoon and evening, brings a conditional risk for severe storms capable of producing large hail, damaging winds, heavy rain, and tornadoes.
- Cooler weather and daily chances for showers and storms can be expected through the majority of the week.
Discussion
... Issued at 1112 PM CDT Sun Sep 13 2026
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