Is it raining now in Superior?
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25 JulNo upcoming precipitation for the next hour.
Last update: 21:00, 25 Jul 2026
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Rain in Superior: What You Need to Know
Superior, Wisconsin experiences Great Lakes convection and spring flooding. The Superior 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 Superior right now — with direction arrows and a 2-hour nowcast so residents and visitors can make real decisions, not guesses.
Rain by Season in Superior
Peak rain season (April–August (convective) and November–January (lake-effect))
Superior'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.
Transition months
Seasonal transitions bring variable conditions — a live radar is more reliable than a forecast during these less predictable windows.
Drier season (January–February)
Precipitation probability drops in Superior during January–February, allowing outdoor activities to proceed with lower weather risk.
Why You Need a Rain Radar in Superior
Commuters and Drivers in Superior
A radar check before leaving gives Superior 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.
Outdoor Planning in Superior
Residents and visitors planning outdoor activities in Superior benefit from knowing exactly when rain will arrive from southwest. A live radar replaces forecast uncertainty with a real decision window.
RainViewer Radar Coverage in Superior
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 Superior, Wisconsin, the primary NEXRAD source is KMKX (Sullivan).
Superior Rain Radar: Frequently Asked Questions
- Does Superior flood when it rains?
Superior 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.
- When is the rainy season in Superior?
Superior's primary rain season runs through April–August (convective) and November–January (lake-effect). The driest period is typically January–February.
- Is there a live rain radar for Superior?
Yes — RainViewer shows live NEXRAD data for Superior 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.
- Can I set a rain alert for Superior?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in Superior, Wisconsin. Set an alert for your specific address — not just a general Wisconsin area warning.
Track Rain in Superior in Real Time
Rain can arrive in Superior faster than a forecast update — a live radar gives you the window to act.
Forecasts cover Wisconsin broadly. RainViewer shows the cell position over Superior right now.
Your weather app shows rain likely near Superior. RainViewer shows the cell position and minutes to arrival.
Track rain in Superior — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
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Rain alerts before arrival
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Direction arrows
storms approach Superior from southwest
48 hours of radar history
review recent rain patterns in Superior
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