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Merrillville, Indiana Weather

Merrillville, Indiana — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Merrillville, Lake 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 Merrillville. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Merrillville.

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About Merrillville, Indiana

Merrillville unfolds across a landscape shaped by the gentle, rolling terrain of northwestern Indiana, where the broad, open skies lend a certain expansiveness to the horizon. It lies 1.7 miles west-south-west of Lake, IN (from Lake, IN: bearing 254°T), and is situated 7.7 miles south of Gary. The land here is a muted green in the summer, a tapestry of cultivated fields and suburban sprawl giving way to the occasional whisper of oak-hickory woodlands. Creeks, like the Willow Creek, meander through the area, their banks often softened by reeds and the persistent hum of insects, a subtle counterpoint to the steady murmur of traffic on the main thoroughfares. During the twilight hours, the light settles with a soft, golden hue, catching the cultivated surfaces of lawns and the distant gleam of streetlights, hinting at the quiet industry that underpins the daily life of Merrillville. The character of Merrillville is deeply interwoven with the agricultural heritage of Lake County, a legacy that still echoes in the surrounding fields, though the local economy has broadened considerably. Once a hub for agriculture and later for robust industrial activity, the area now thrives on a diverse blend of retail, services, and a growing presence in the logistics sector, drawn by its strategic position. The presence of the South Shore Line, a commuter railway, connects Merrillville to larger urban centers, imbuing the town with a sense of accessible opportunity. Notable landmarks, such as the iconic Star Plaza Theatre, have long served as cultural anchors, drawing crowds and fostering a shared experience for residents and visitors alike, a testament to the enduring spirit of community that defines this corner of Indiana.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Merrillville 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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LocationMerrillville, Lake County, Indiana
Coordinates41.482814°N, 87.332814°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)46410, 46411, 46307
Area Code260
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Merrillville, Indiana Weather Page

This page provides live weather conditions and forecasts for Merrillville, Indiana, 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 Merrillville includes coordinates 41.482814°N, 87.332814°W, situated in Lake County. ZIP code 46410, 46411, 46307. Telephone area code: 260. 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.