No upcoming precipitation for the next hour.
Last update: 20:00, 9 Jul 2026
Free to download * Essential from $0.83 * Prices vary by region and promotions.
Home, office, kids' school - all at once, no switching tabs.
Get notified 15 minutes before rain - while you can still change your plans.
Live radar without opening the app - on your lock screen or home screen.
Horicon, Wisconsin experiences Great Lakes convection and spring flooding. The Horicon rain radar delivers real-time NEXRAD data from KMKX (Sullivan), updated every 4–6 minutes at up to 250-meter resolution. Storms in this part of Wisconsin typically approach from 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 Wisconsin region. RainViewer shows the actual cell over Horicon right now — with direction arrows and a 2-hour nowcast so residents and visitors can make real decisions, not guesses.
Horicon's highest weather risk aligns with April–August (convective) and November–January (lake-effect). Great lakes convection and spring flooding 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 Horicon during January–February, allowing outdoor activities to proceed with lower weather risk.
A radar check before leaving gives Horicon 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 Wisconsin.
Residents and visitors planning outdoor activities in Horicon benefit from knowing exactly when rain will arrive from 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 Horicon, Wisconsin, the primary NEXRAD source is KMKX (Sullivan).
Horicon can experience localized flooding during intense rain events, particularly in low-lying areas near drainage channels. Great lakes convection and spring flooding means runoff can accumulate quickly in parts of Wisconsin. A live radar provides advance warning before conditions develop.
Horicon's primary rain season runs through April–August (convective) and November–January (lake-effect). The driest period is typically January–February.
Yes — RainViewer shows live NEXRAD data for Horicon at up to 250-meter resolution, updated every 4–6 minutes from KMKX (Sullivan). 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 Horicon, Wisconsin. Set an alert for your specific address — not just a general Wisconsin area warning.
Rain can arrive in Horicon faster than a forecast update — a live radar gives you the window to act.
Forecasts cover Wisconsin broadly. RainViewer shows the cell position over Horicon right now.
Your weather app shows rain likely near Horicon. RainViewer shows the cell position and minutes to arrival.
Track rain in Horicon — free Upgrade to Essential for alerts, forecasts, and full radar history
see when rain will reach Horicon
set an alert for your Horicon address
storms approach Horicon from southwest
review recent rain patterns in Horicon
track Horicon alongside nearby communities