Alliance, Nebraska Weather
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Climate of Alliance: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Alliance, with average daytime highs around 33°C. January is the coolest, when nights typically fall to about -7°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 40°C, so the seasons feel very different from each other.
The area receives about 430 mm of rain in a typical year. Rainfall is modest in every month; May is the wettest at about 76 mm. The driest stretch is November to February, with under 20 mm a month.
For outdoor plans and travel, May to June and August to September usually offer the most comfortable weather in Alliance, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 4° | -7° | 6 mm | 65% |
| Feb | 5° | -7° | 12 mm | 62% |
| Mar | 11° | -3° | 24 mm | 57% |
| Apr | 16° | 1° | 54 mm | 55% |
| May | 21° | 7° | 76 mm | 56% |
| Jun | 29° | 13° | 68 mm | 52% |
| Jul | 33° | 18° | 58 mm | 49% |
| Aug | 31° | 16° | 45 mm | 50% |
| Sep | 26° | 10° | 38 mm | 50% |
| Oct | 16° | 2° | 27 mm | 57% |
| Nov | 9° | -3° | 11 mm | 59% |
| Dec | 3° | -7° | 8 mm | 65% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Alliance. Values describe typical conditions, not a forecast.
About Alliance weather
Alliance is one of many towns in Nebraska's continental Great Plains climate, with sharp seasonal extremes, about 534 km west of Lincoln. Before the rains arrive, there's hot summers (June–August). Cooler months mean cold, windy winters (December–February). This page shows live, auto-refreshing weather for Alliance: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Denver.
Frequently asked questions
Alliance is about 534 km west of Lincoln, in Nebraska.
Alliance sees cold, windy winters (December–February).
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Alliance's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Alliance, with average daytime highs of about 33°C and nights around 18°C.
The coldest nights come in January, when the average low is about -7°C and daytime highs reach around 4°C. Frost is possible on clear, calm nights.
Alliance receives about 430 mm of rain in a typical year. May is the wettest month at roughly 76 mm; no month averages more than 100 mm.
May to June and August to September usually offer the most comfortable weather in Alliance, with mild daytime temperatures and little rain.
In November Alliance typically sees daytime highs near 9°C and lows near -3°C, with about 11 mm of rain over the month and average humidity around 59%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Alliance is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Alliance's day-to-day weather follows the broader pattern of Nebraska described above. See the hourly weather forecast or the air quality index for more detail.