Collinsville, AL Live Doppler Radar

Live radar for Collinsville, DeKalb County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

What weather hits Collinsville?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 220 days in the DeKalb forecast zone and DeKalb County — the most common reported hazard around Collinsville, mostly in June and July. Next come flash flooding (40 days) and heavy snow & winter storms (25 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds220May 2026Aug 8, 2006 · $350,000 damage
Flash flooding40Aug 2025Jun 19, 2021 · 1 death
Heavy snow & winter storms25Jan 2025Feb 16, 1996 · $15,000 damage
Excessive heat18Jul 2025—
Flooding17Aug 2025—
Lightning casualties & damage16Jul 2015Jul 24, 1999 · $100,000 damage
Extreme cold & wind chill15Feb 2026Mar 7, 1996 · $1.0 million damage
High winds12Sep 2017Apr 13, 2009 · $500,000 damage

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 DeKalb forecast zone and DeKalb County; damage is as reported, not adjusted for inflation.

How much snow does Collinsville get?

A normal year brings about 1.2 inches of snow to Collinsville, based on NOAA's 1991–2020 climate normals for the Sand Mt Substn weather station 5.9 miles away. The snowiest month is usually March (0.5 in).

OctNovDecJanFebMarAprMay
0.00.00.10.30.30.50.00.0

Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.

Which radars cover Collinsville?

The closest NEXRAD Doppler radar is KHTX (Huntsville, AL), about 47 miles north-northwest. 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.

RadarDistanceLowest beam over CollinsvilleView
KHTX
Huntsville, AL
47 mi north-northwest3,300 ftGood — most storms and steady rain or snow show clearly
KBMX
Birmingham, AL
92 mi southwest8,400 ftFair — the beam can pass over shallow snow and low-level rotation
KFFC
Atlanta, GA
97 mi southeast9,200 ftFair — the beam can pass over shallow snow and low-level rotation

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 Collinsville

Since 1950, NOAA has recorded 141 tornadoes within 25 miles of Collinsville, 59 of them EF2/F2 or stronger. Most came in April and May. The strongest was an EF5 on April 27, 2011, which passed about 11 miles northwest of town and caused 25 deaths. The most recent was an EF0 on May 20, 2025, which passed about 22 miles north of town.

Hail: 286 reports of 1-inch or larger hail within 25 miles since 1955, 28 of them 2 inches or more; the largest was 4.50-inch hail on May 2, 2003.

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 Collinsville'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.

Collinsville radar FAQ

Where is the nearest weather radar to Collinsville, AL?

KHTX (Huntsville, AL), about 47 miles north-northwest. KBMX (Birmingham, AL) is 92 miles away and also covers the area.

Does radar show snow in Collinsville?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Collinsville the lowest scan from KHTX is about 3,300 ft up.

Is TALON's radar for Collinsville 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 Collinsville, follow it right away — see watch vs. warning.

Radar for nearby towns

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