Old Monroe, MO Live Doppler Radar
Live radar for Old Monroe, Lincoln County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Old Monroe?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 97 days in the Lincoln forecast zone and Lincoln County — the most common reported hazard around Old Monroe, mostly in June and May. Next come excessive heat (56 days) and heavy snow & winter storms (47 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 97 | Apr 2026 | Jul 9, 2021 · $40,000 damage |
| Excessive heat | 56 | Aug 2025 | Jul 24, 2017 · 1 death |
| Heavy snow & winter storms | 47 | Nov 2025 | — |
| Flash flooding | 36 | Jul 2025 | Jun 2, 2019 · $5.4 million damage |
| Flooding | 18 | May 2019 | May 4, 2019 · $2.0 million damage |
| Ice storms & sleet | 6 | Feb 2022 | — |
| High winds | 6 | Mar 2025 | Mar 14, 2025 · $2,000 damage |
| Extreme cold & wind chill | 4 | Jan 2024 | — |
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 Lincoln forecast zone and Lincoln County; damage is as reported, not adjusted for inflation.
How much snow does Old Monroe get?
A normal year brings about 15 inches of snow to Old Monroe, based on NOAA's 1991–2020 climate normals for the St Peters 2 Se weather station 14.3 miles away. The snowiest month is usually February (5.0 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.0 | 0.8 | 2.7 | 4.7 | 5.0 | 1.5 | 0.1 | 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 Old Monroe?
The closest NEXRAD Doppler radar is KLSX (St. Louis, MO), about 17 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 Old Monroe | View |
|---|---|---|---|
| KLSX St. Louis, MO | 17 mi south-southeast | 900 ft | Excellent — the lowest scan sees close to the ground |
| KILX Lincoln, IL | 113 mi northeast | 11,600 ft | Limited — the beam overshoots the lowest part of storms |
| KPAH Paducah, KY | 168 mi southeast | 21,900 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 Old Monroe
Since 1950, NOAA has recorded 108 tornadoes within 25 miles of Old Monroe, 28 of them EF2/F2 or stronger. Most came in April and May. The strongest was an F4 on January 24, 1967, which passed about 21 miles south-southeast of town and caused 3 deaths. The most recent was an EF1 on June 4, 2025, which passed about 20 miles south-southeast of town.
Hail: 485 reports of 1-inch or larger hail within 25 miles since 1955, 66 of them 2 inches or more; the largest was 4.00-inch hail on May 11, 2016.
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 Old Monroe'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.
Old Monroe radar FAQ
Where is the nearest weather radar to Old Monroe, MO?
KLSX (St. Louis, MO), about 17 miles south-southeast. KILX (Lincoln, IL) is 113 miles away and also covers the area.
Does radar show snow in Old Monroe?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Old Monroe the lowest scan from KLSX is about 900 ft up.
Is TALON's radar for Old Monroe 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 Old Monroe, follow it right away — see watch vs. warning.
Radar for nearby towns
- Winfield, MO radar 4 mi
- St. Paul, MO radar 6 mi
- Moscow Mills, MO radar 9 mi
- Wentzville, MO radar 10 mi
- O'Fallon, MO radar 10 mi
- Lake St. Louis, MO radar 11 mi
- Troy, MO radar 12 mi
- St. Peters, MO radar 13 mi
- Dardenne Prairie, MO radar 13 mi
- Cottleville, MO radar 14 mi