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Union, Illinois Weather

Union, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Union, McHenry County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Union. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Union.

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About Union, Illinois

Union lies in a landscape shaped by the slow, persistent artistry of glaciers, where the land rises and falls in gentle swells across the fertile plains. It lies 7.4 miles north-west of Huntley, IL (from Huntley, IL: bearing 308°T), and is situated 7.4 miles south-west of Woodstock. The sky here feels vast, an unbroken canvas that shifts from the pale, washed-out blues of midday to the deep, bruised purples of approaching twilight, painting the fields of corn and soybeans in hues of gold and amber. The air carries the clean scent of turned earth and, in the warmer months, the sweet perfume of blooming clover, a constant reminder of the agricultural heart that beats beneath the surface. The rhythm of life in Union is measured by the seasons, by the planting and harvesting, and by the quiet hum of tractors working the land under that expansive Illinois sky. The story of Union is one of settlement and perseverance, a place where the echoes of early farmers and railroad expansion can still be felt. The local economy, while diversified, retains a strong connection to agriculture, with grain elevators standing as silent sentinels along the tracks that once brought prosperity. A notable feature is the Fox River, a ribbon of blue that meanders through the surrounding countryside, offering a tranquil contrast to the cultivated fields and providing a vital artery for both nature and recreation. This waterway, along with the enduring spirit of its residents, has helped to define the character of Union, fostering a sense of continuity and quiet pride in its own distinct heritage.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Union and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationUnion, McHenry County, Illinois
Coordinates42.233078°N, 88.542313°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)61532, 62635, 60433, 60180
Area Code708, 312, 773
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Union, Illinois Weather Page

This page provides live weather conditions and forecasts for Union, Illinois, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.

Location data for Union includes coordinates 42.233078°N, 88.542313°W, situated in McHenry County. ZIP code 61532, 62635, 60433, 60180. Telephone area code: 708, 312, 773. Timezone: Central Time (America/Chicago).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.