Is it raining now in Cottage Grove?
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9 JulNo upcoming precipitation for the next hour.
Last update: 21:00, 9 Jul 2026
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Rain in Cottage Grove: What You Need to Know
Cottage Grove, Minnesota experiences continental severe storms and spring snowmelt. The Cottage Grove 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 Cottage Grove right now — with direction arrows and a 2-hour nowcast so residents and visitors can make real decisions, not guesses.
Rain by Season in Cottage Grove
Peak rain season (April–May (snowmelt+frontal) and June–August (convective peak))
Cottage Grove'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 Cottage Grove during January–February, allowing outdoor activities to proceed with lower weather risk.
Why You Need a Rain Radar in Cottage Grove
Commuters and Drivers in Cottage Grove
A radar check before leaving gives Cottage Grove 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 Cottage Grove
Residents and visitors planning outdoor activities in Cottage Grove 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 Cottage Grove
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 Cottage Grove, Minnesota, the primary NEXRAD source is KMPX (Chanhassen).
Cottage Grove Rain Radar: Frequently Asked Questions
- Does Cottage Grove flood when it rains?
Cottage Grove 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 Cottage Grove?
Cottage Grove'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 Cottage Grove?
Yes — RainViewer shows live NEXRAD data for Cottage Grove 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 Cottage Grove?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in Cottage Grove, Minnesota. Set an alert for your specific address — not just a general Minnesota area warning.
Track Rain in Cottage Grove in Real Time
Rain can arrive in Cottage Grove faster than a forecast update — a live radar gives you the window to act.
Forecasts cover Minnesota broadly. RainViewer shows the cell position over Cottage Grove right now.
Your weather app shows rain likely near Cottage Grove. RainViewer shows the cell position and minutes to arrival.
Track rain in Cottage Grove — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
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Direction arrows
storms approach Cottage Grove from southwest
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