Port Barrington, IL Live Doppler Radar
Live radar for Port Barrington, Lake County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Port Barrington?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 120 days in the Lake forecast zone and Lake County — the most common reported hazard around Port Barrington, mostly in June and July. Next come heavy snow & winter storms (60 days) and flooding (40 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 120 | Jun 2026 | Aug 7, 2007 · 1 death |
| Heavy snow & winter storms | 60 | Dec 2025 | Jan 27, 2019 · 1 death |
| Flooding | 40 | Jun 2026 | Jun 13, 2008 · $500,000 damage |
| Flash flooding | 35 | Jul 2024 | Jul 12, 2017 · $13 million damage |
| High winds | 32 | Apr 2026 | Oct 26, 2010 · $100,000 damage |
| Lightning casualties & damage | 21 | Sep 2018 | Jun 3, 2002 · 1 death |
| Extreme cold & wind chill | 20 | Jan 2026 | — |
| Excessive heat | 9 | Jun 2026 | Jul 28, 1999 · 3 deaths |
Source: NOAA NCEI Storm Events Database, 1996–2026 (the latest year is partial). A "day" is a date with at least one report in the Lake forecast zone and Lake County; damage is as reported, not adjusted for inflation.
How much snow does Port Barrington get?
A normal year brings about 35 inches of snow to Port Barrington, based on NOAA's 1991–2020 climate normals for the Mc Henry -Wg Stratton L&D weather station 5.4 miles away. The snowiest month is usually January (11.0 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.1 | 1.4 | 8.2 | 11.0 | 8.9 | 3.9 | 1.0 | 0.0 |
Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.
Which radars cover Port Barrington?
The closest NEXRAD Doppler radar is KLOT (Chicago, IL), about 45 miles south. Radar beams climb as they travel, so the height of the lowest scan over town decides how low in a storm the radar can see.
| Radar | Distance | Lowest beam over Port Barrington | View |
|---|---|---|---|
| KLOT Chicago, IL | 45 mi south | 3,000 ft | Good — most storms and steady rain or snow show clearly |
| KMKX Milwaukee/Sullivan, WI | 53 mi north-northwest | 3,900 ft | Good — most storms and steady rain or snow show clearly |
| KDVN Quad Cities, IA | 130 mi west-southwest | 14,500 ft | Limited — the beam overshoots the lowest part of storms |
Beam height is the center of the 0.5° scan above the radar, with standard refraction. Mountains near a radar can block it further.
Tornado & hail history near Port Barrington
Since 1950, NOAA has recorded 107 tornadoes within 25 miles of Port Barrington, 25 of them EF2/F2 or stronger. Most came in July and June. The strongest was an F4 on April 21, 1967, which passed about 14 miles west-northwest of town and caused 24 deaths. The most recent was an EF0 on March 14, 2025, which touched down about 18 miles south of town.
Hail: 501 reports of 1-inch or larger hail within 25 miles since 1955, 24 of them 2 inches or more; the largest was 2.90-inch hail on May 2, 2018.
Source: NOAA Storm Prediction Center — tornadoes 1950–2025, hail 1955–2025. Distances are to each tornado's track; ratings before February 2007 use the original Fujita scale.
On TALON you get Port Barrington's live radar loop, rain/snow/ice colors, flash-flood risk, storm tracks with arrival times and NWS warnings free; close-up radar and rotation detection are part of TALON Pro.
Port Barrington radar FAQ
Where is the nearest weather radar to Port Barrington, IL?
KLOT (Chicago, IL), about 45 miles south. KMKX (Milwaukee/Sullivan, WI) is 53 miles away and also covers the area.
Does radar show snow in Port Barrington?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Port Barrington the lowest scan from KLOT is about 3,000 ft up.
Is TALON's radar for Port Barrington free?
Yes — the US radar loop, rain/snow/ice colors, flash-flood risk, storm tracks and NWS warnings are free in any browser. Close-up radar, rotation detection and longer forecasts are part of TALON Pro.
Should I rely on radar for my safety?
No app replaces official warnings. When the National Weather Service issues a warning for Port Barrington, follow it right away — see watch vs. warning.