No upcoming precipitation for the next hour.
Last update: 20:00, 9 Jul 2026
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Horn Lake, Mississippi experiences Gulf Coast subtropical and tornado risk. The Horn Lake rain radar delivers real-time NEXRAD data from KJAN (Jackson), updated every 4–6 minutes at up to 250-meter resolution. Storms in this part of Mississippi typically approach from south or southwest, and RainViewer's hyperlocal radar shows their exact position and direction so you can act before conditions change.
A standard forecast covers the broader Mississippi region. RainViewer shows the actual cell over Horn Lake right now — with direction arrows and a 2-hour nowcast so residents and visitors can make real decisions, not guesses.
Horn Lake's highest weather risk aligns with March–May (severe season) and June–August (convective). Gulf coast subtropical and tornado risk drives precipitation events in this region.
Seasonal transitions bring variable conditions — a live radar is more reliable than a forecast during these less predictable windows.
Precipitation probability drops in Horn Lake during October–March, allowing outdoor activities to proceed with lower weather risk.
A radar check before leaving gives Horn Lake drivers 20+ minutes to adjust timing or avoid flood-prone roads. Real-time NEXRAD is more actionable than a forecast probability for daily commute decisions in Mississippi.
Residents and visitors planning outdoor activities in Horn Lake benefit from knowing exactly when rain will arrive from south or southwest. A live radar replaces forecast uncertainty with a real decision window.
RainViewer aggregates radar data for the United States from the NEXRAD network operated by NOAA's National Weather Service — 160 WSR-88D stations covering the contiguous US, Alaska, Hawaii, and US territories. Data updates every 4–6 minutes as each station completes its scan cycle. RainViewer processes and displays NEXRAD data at up to 250-meter resolution. For Horn Lake, Mississippi, the primary NEXRAD source is KJAN (Jackson).
Horn Lake can experience localized flooding during intense rain events, particularly in low-lying areas near drainage channels. Gulf coast subtropical and tornado risk means runoff can accumulate quickly in parts of Mississippi. A live radar provides advance warning before conditions develop.
Horn Lake's primary rain season runs through March–May (severe season) and June–August (convective). The driest period is typically October–March.
Yes — RainViewer shows live NEXRAD data for Horn Lake at up to 250-meter resolution, updated every 4–6 minutes from KJAN (Jackson). The hyperlocal radar includes current precipitation, storm direction, and a 2-hour nowcast.
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in Horn Lake, Mississippi. Set an alert for your specific address — not just a general Mississippi area warning.
Rain can arrive in Horn Lake faster than a forecast update — a live radar gives you the window to act.
Forecasts cover Mississippi broadly. RainViewer shows the cell position over Horn Lake right now.
Your weather app shows rain likely near Horn Lake. RainViewer shows the cell position and minutes to arrival.
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