Is it raining now in Winona?
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9 JulNo upcoming precipitation for the next hour.
Last update: 20:00, 9 Jul 2026
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Rain in Winona: What You Need to Know
Winona, Missouri experiences Tornado Alley edge and Missouri River flooding. The Winona rain radar delivers real-time precipitation data from KEAX (Pleasant Hill/Kansas City), updated every 4–6 minutes at up to 250-meter resolution — showing exactly when and where rain will arrive, not just whether it might.
Storms in this part of Missouri typically approach from southwest. RainViewer's hyperlocal radar includes direction arrows and a 2-hour nowcast, so residents and visitors in Winona can make informed decisions about travel, outdoor plans, and weather preparation with real advance notice.
Rain by Season in Winona
Peak rain season (April–June (spring frontal+tornado) and June–August (convective))
Winona's highest weather risk aligns with April–June (spring frontal+tornado) and June–August (convective). Tornado alley edge and missouri river flooding drives the primary precipitation events across this region.
Transition months
Seasonal transitions bring variable conditions. A live radar is more reliable than a forecast during these windows when storm behavior is least predictable.
Drier season (October–February)
Precipitation probability drops in Winona during October–February. Outdoor activities proceed with lower weather uncertainty during this period.
Why You Need a Rain Radar in Winona
Commuters and Drivers in Winona
A radar check before leaving gives Winona drivers 20+ minutes to adjust departure timing, choose alternate routes, or wait out a fast-moving cell. Real-time radar is more actionable than a forecast probability for daily commute decisions.
Outdoor Workers and Event Planners in Winona
Construction crews, outdoor event staff, and recreation managers in Winona use the live radar to get 20–30 minutes of advance notice before rain arrives from southwest. That window is enough to shelter equipment, complete outdoor tasks, or alert attendees.
RainViewer Radar Coverage in Winona
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, preserving the raw scan data rather than smoothing it into regional averages. For Winona, Missouri, the primary NEXRAD source is KEAX (Pleasant Hill/Kansas City), providing hyperlocal radar coverage across the area.
Winona Rain Radar: Frequently Asked Questions
- Does Winona flood when it rains heavily?
Winona can experience localized flooding during intense rain, particularly in low-lying areas near drainage channels and road underpasses. Tornado alley edge and missouri river flooding means runoff can accumulate quickly in parts of Missouri. A live radar gives advance warning to avoid flood-prone areas.
- When is the rainy season in Winona?
Winona's primary rain season runs through April–June (spring frontal+tornado) and June–August (convective), driven by Tornado Alley edge and Missouri River flooding. The driest period is typically October–February, when outdoor activities carry less weather risk.
- Is there a live rain radar for Winona?
Yes — RainViewer shows live NEXRAD data for Winona at up to 250-meter resolution, updated every 4–6 minutes from KEAX (Pleasant Hill/Kansas City). The map shows current precipitation, storm direction, and a 2-hour nowcast.
- Can I set a rain alert for Winona?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in Winona, Missouri. Set an alert for your specific address — not just a general area warning.
Track Rain in Winona in Real Time
Rain in Winona can arrive from southwest faster than a forecast update.
Forecasts cover Missouri broadly. RainViewer shows the exact cell position over Winona, updated every 4–6 minutes.
Your weather app shows rain likely near Winona. RainViewer shows the cell position and arrival time.
Track rain in Winona — 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 Winona from southwest
48 hours of radar history
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