Grand Mound, IA Live Doppler Radar
Live radar for Grand Mound, Clinton County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Grand Mound?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 102 days in the Clinton forecast zone and Clinton County — the most common reported hazard around Grand Mound, mostly in June and July. Next come heavy snow & winter storms (87 days) and flooding (53 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 102 | Jun 2026 | Sep 11, 2000 · $5.0 million damage |
| Heavy snow & winter storms | 87 | Nov 2025 | Feb 1, 2015 · 1 death |
| Flooding | 53 | Jul 2024 | Jun 24, 2000 · 1 death |
| Flash flooding | 23 | Jul 2025 | Aug 27, 2009 · $500,000 damage |
| High winds | 20 | Dec 2021 | May 4, 2003 · $1.0 million damage |
| Extreme cold & wind chill | 17 | Jan 2019 | — |
| Ice storms & sleet | 9 | Dec 2024 | Feb 24, 2007 · $249,000 damage |
| Blizzards | 7 | Mar 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 Clinton forecast zone and Clinton County; damage is as reported, not adjusted for inflation.
How much snow does Grand Mound get?
A normal year brings about 29 inches of snow to Grand Mound, based on NOAA's 1991–2020 climate normals for the De Witt weather station 5.7 miles away. The snowiest month is usually January (8.7 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.2 | 1.4 | 6.0 | 8.7 | 6.8 | 4.7 | 0.9 | 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 Grand Mound?
The closest NEXRAD Doppler radar is KDVN (Quad Cities, IA), about 15 miles south-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.
| Radar | Distance | Lowest beam over Grand Mound | View |
|---|---|---|---|
| KDVN Quad Cities, IA | 15 mi south-southeast | 800 ft | Excellent — the lowest scan sees close to the ground |
| KMKX Milwaukee/Sullivan, WI | 133 mi northeast | 15,000 ft | Limited — the beam overshoots the lowest part of storms |
| KLOT Chicago, IL | 133 mi east | 15,000 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 Grand Mound
Since 1950, NOAA has recorded 174 tornadoes within 25 miles of Grand Mound, 35 of them EF2/F2 or stronger. Most came in May and July. The strongest was an F4 on April 11, 1965, which passed about 11 miles northwest of town and caused 1 death. The most recent was an EF2 on July 11, 2025, which passed about 18 miles south of town.
Hail: 365 reports of 1-inch or larger hail within 25 miles since 1955, 52 of them 2 inches or more; the largest was 7.00-inch hail on September 27, 1959.
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 Grand Mound'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.
Grand Mound radar FAQ
Where is the nearest weather radar to Grand Mound, IA?
KDVN (Quad Cities, IA), about 15 miles south-southeast. KMKX (Milwaukee/Sullivan, WI) is 133 miles away and also covers the area.
Does radar show snow in Grand Mound?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Grand Mound the lowest scan from KDVN is about 800 ft up.
Is TALON's radar for Grand Mound 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 Grand Mound, follow it right away — see watch vs. warning.
Radar for nearby towns
- DeWitt, IA radar 5 mi
- Eldridge, IA radar 13 mi
- Maquoketa, IA radar 16 mi
- Walcott, IA radar 18 mi
- Davenport, IA radar 19 mi
- Camanche, IA radar 19 mi
- Bettendorf, IA radar 20 mi
- Durant, IA radar 21 mi
- Clinton, IA radar 21 mi
- Le Claire, IA radar 21 mi