Mattoon, WI Live Doppler Radar

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

Open live radar for MattoonWhat TALON shows

What weather hits Mattoon?

Since 1996, the National Weather Service has logged heavy snow or a winter storm on 81 days in the Shawano forecast zone and Shawano County — the most common reported hazard around Mattoon, mostly in February and December. Next come damaging thunderstorm winds (78 days) and extreme cold & wind chill (13 days).

HazardDays reportedMost recentWorst on record
Heavy snow & winter storms81Mar 2026—
Damaging thunderstorm winds78Jun 2026Jul 16, 1997 · $301,000 damage
Extreme cold & wind chill13Jan 2026—
Ice storms & sleet8Apr 2026—
Flooding7Jul 2016Jun 16, 1996 · $26 million damage
Lightning casualties & damage6Aug 2011Aug 23, 2011 · $20,000 damage
High winds4Oct 2010Nov 10, 1998 · $10,000 damage
Excessive heat4Jun 2026—

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

How much snow does Mattoon get?

A normal year brings about 54 inches of snow to Mattoon, based on NOAA's 1991–2020 climate normals for the Antigo weather station 11.3 miles away. The snowiest month is usually December (13.2 in).

OctNovDecJanFebMarAprMay
0.95.113.212.210.36.85.00.1

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

Which radars cover Mattoon?

The closest NEXRAD Doppler radar is KGRB (Green Bay, WI), about 57 miles southeast. 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 MattoonView
KGRB
Green Bay, WI		57 mi southeast4,300 ftGood — most storms and steady rain or snow show clearly
KMQT
Marquette, MI		128 mi northeast14,000 ftLimited — the beam overshoots the lowest part of storms
KARX
La Crosse, WI		134 mi southwest15,100 ftLimited — 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 Mattoon

Since 1950, NOAA has recorded 42 tornadoes within 25 miles of Mattoon, 10 of them EF2/F2 or stronger. Most came in July and June. The strongest was an F4 on August 31, 1977, which passed about 23 miles west of town. The most recent was an EF1 on July 23, 2025, which passed about 20 miles east-southeast of town.

Hail: 63 reports of 1-inch or larger hail within 25 miles since 1955, 1 of them 2 inches or more; the largest was 3.00-inch hail on June 7, 2007.

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 Mattoon'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.

Mattoon radar FAQ

Where is the nearest weather radar to Mattoon, WI?

KGRB (Green Bay, WI), about 57 miles southeast. KMQT (Marquette, MI) is 128 miles away and also covers the area.

Does radar show snow in Mattoon?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Mattoon the lowest scan from KGRB is about 4,300 ft up.

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

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