Is it raining now in Grand Marais?
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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 Grand Marais: What You Need to Know
Grand Marais, Minnesota experiences continental severe storms and spring snowmelt. The Grand Marais rain radar delivers real-time NEXRAD data from KMPX (Chanhassen), updated every 4–6 minutes at up to 250-meter resolution. Storms in this part of Minnesota 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 Minnesota region. RainViewer shows the actual cell over Grand Marais right now — with direction arrows and a 2-hour nowcast so residents and visitors can make real decisions, not guesses.
Rain by Season in Grand Marais
Peak rain season (April–May (snowmelt+frontal) and June–August (convective peak))
Grand Marais's highest weather risk aligns with April–May (snowmelt+frontal) and June–August (convective peak). Continental severe storms and spring snowmelt 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 Grand Marais during January–February, allowing outdoor activities to proceed with lower weather risk.
Why You Need a Rain Radar in Grand Marais
Commuters and Drivers in Grand Marais
A radar check before leaving gives Grand Marais 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 Minnesota.
Outdoor Planning in Grand Marais
Residents and visitors planning outdoor activities in Grand Marais 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 Grand Marais
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 Grand Marais, Minnesota, the primary NEXRAD source is KMPX (Chanhassen).
Grand Marais Rain Radar: Frequently Asked Questions
- Does Grand Marais flood when it rains?
Grand Marais can experience localized flooding during intense rain events, particularly in low-lying areas near drainage channels. Continental severe storms and spring snowmelt means runoff can accumulate quickly in parts of Minnesota. A live radar provides advance warning before conditions develop.
- When is the rainy season in Grand Marais?
Grand Marais's primary rain season runs through April–May (snowmelt+frontal) and June–August (convective peak). The driest period is typically January–February.
- Is there a live rain radar for Grand Marais?
Yes — RainViewer shows live NEXRAD data for Grand Marais at up to 250-meter resolution, updated every 4–6 minutes from KMPX (Chanhassen). The hyperlocal radar includes current precipitation, storm direction, and a 2-hour nowcast.
- Can I set a rain alert for Grand Marais?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in Grand Marais, Minnesota. Set an alert for your specific address — not just a general Minnesota area warning.
Track Rain in Grand Marais in Real Time
Rain can arrive in Grand Marais faster than a forecast update — a live radar gives you the window to act.
Forecasts cover Minnesota broadly. RainViewer shows the cell position over Grand Marais right now.
Your weather app shows rain likely near Grand Marais. RainViewer shows the cell position and minutes to arrival.
Track rain in Grand Marais — 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 Grand Marais from southwest
48 hours of radar history
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