Is it raining now in Severn?
Sunny
9 JulNo upcoming precipitation for the next hour.
Last update: 22:00, 9 Jul 2026
Free to download * Essential from $0.83 * Prices vary by region and promotions.
- App Only
Track up to 20 locations
Home, office, kids' school - all at once, no switching tabs.
- App Only
Alerts for each of them
Get notified 15 minutes before rain - while you can still change your plans.
- App Only
Widgets on your home screen
Live radar without opening the app - on your lock screen or home screen.
Rain in Severn: What You Need to Know
Severn, Maryland experiences Chesapeake Bay and mid-Atlantic nor'easters. The Severn rain radar delivers real-time NEXRAD data from KLWX (Sterling VA), updated every 4–6 minutes at up to 250-meter resolution. Storms in this part of Maryland typically approach from southwest or northeast, and RainViewer's hyperlocal radar shows their exact position and direction so you can act before conditions change.
A standard forecast covers the broader Maryland region. RainViewer shows the actual cell over Severn right now — with direction arrows and a 2-hour nowcast so residents and visitors can make real decisions, not guesses.
Rain by Season in Severn
Peak rain season (June–September (convective) and October–April (nor'easters))
Severn's highest weather risk aligns with June–September (convective) and October–April (nor'easters). Chesapeake bay and mid-atlantic nor'easters 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 Severn during January–February, allowing outdoor activities to proceed with lower weather risk.
Why You Need a Rain Radar in Severn
Commuters and Drivers in Severn
A radar check before leaving gives Severn 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 Maryland.
Outdoor Planning in Severn
Residents and visitors planning outdoor activities in Severn benefit from knowing exactly when rain will arrive from southwest or northeast. A live radar replaces forecast uncertainty with a real decision window.
RainViewer Radar Coverage in Severn
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 Severn, Maryland, the primary NEXRAD source is KLWX (Sterling VA).
Severn Rain Radar: Frequently Asked Questions
- Does Severn flood when it rains?
Severn can experience localized flooding during intense rain events, particularly in low-lying areas near drainage channels. Chesapeake bay and mid-atlantic nor'easters means runoff can accumulate quickly in parts of Maryland. A live radar provides advance warning before conditions develop.
- When is the rainy season in Severn?
Severn's primary rain season runs through June–September (convective) and October–April (nor'easters). The driest period is typically January–February.
- Is there a live rain radar for Severn?
Yes — RainViewer shows live NEXRAD data for Severn at up to 250-meter resolution, updated every 4–6 minutes from KLWX (Sterling VA). The hyperlocal radar includes current precipitation, storm direction, and a 2-hour nowcast.
- Can I set a rain alert for Severn?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in Severn, Maryland. Set an alert for your specific address — not just a general Maryland area warning.
Track Rain in Severn in Real Time
Rain can arrive in Severn faster than a forecast update — a live radar gives you the window to act.
Forecasts cover Maryland broadly. RainViewer shows the cell position over Severn right now.
Your weather app shows rain likely near Severn. RainViewer shows the cell position and minutes to arrival.
Track rain in Severn — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
see when rain will reach Severn
Rain alerts before arrival
set an alert for your Severn address
Direction arrows
storms approach Severn from southwest or northeast
48 hours of radar history
review recent rain patterns in Severn
Multiple locations
track Severn alongside nearby communities
RainViewer
