Alton, MO Live Doppler Radar
Live radar for Alton, Oregon County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Alton?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 74 days in the Oregon forecast zone and Oregon County — the most common reported hazard around Alton, mostly in July and May. Next come flash flooding (32 days) and heavy snow & winter storms (31 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 74 | Mar 2026 | May 8, 2009 · $1.0 million damage |
| Flash flooding | 32 | Apr 2025 | Apr 29, 2017 · $4.0 million damage |
| Heavy snow & winter storms | 31 | Jan 2026 | Jan 1, 1999 · $150,000 damage |
| Flooding | 24 | Jun 2025 | Nov 4, 2024 · $61,000 damage |
| Excessive heat | 9 | Aug 2012 | — |
| Ice storms & sleet | 4 | Jan 2009 | — |
| Extreme cold & wind chill | 4 | Feb 2025 | — |
| High winds | 2 | Feb 2014 | Feb 20, 2014 · $25,000 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 Oregon forecast zone and Oregon County; damage is as reported, not adjusted for inflation.
How much snow does Alton get?
A normal year brings about 4.2 inches of snow to Alton, based on NOAA's 1991–2020 climate normals for the Alton weather station in town. The snowiest month is usually January (1.7 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.0 | 0.0 | 0.8 | 1.7 | 0.8 | 0.9 | 0.0 | 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 Alton?
The closest NEXRAD Doppler radar is KSGF (Springfield, MO), about 117 miles west-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.
| Radar | Distance | Lowest beam over Alton | View |
|---|---|---|---|
| KSGF Springfield, MO | 117 mi west-northwest | 12,300 ft | Limited — the beam overshoots the lowest part of storms |
| KNQA Memphis, TN | 126 mi southeast | 13,700 ft | Limited — the beam overshoots the lowest part of storms |
| KLZK Little Rock, AR | 137 mi south-southwest | 15,700 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 Alton
Since 1950, NOAA has recorded 50 tornadoes within 25 miles of Alton, 22 of them EF2/F2 or stronger. Most came in May and November. The strongest was an F4 on May 21, 1957, which passed about 22 miles northeast of town and caused 7 deaths. The most recent was an EF3 on March 14, 2025, which passed about 19 miles west-northwest of town.
Hail: 154 reports of 1-inch or larger hail within 25 miles since 1955, 15 of them 2 inches or more; the largest was 4.25-inch hail on April 2, 2006.
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 Alton'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.
Alton radar FAQ
Where is the nearest weather radar to Alton, MO?
KSGF (Springfield, MO), about 117 miles west-northwest. KNQA (Memphis, TN) is 126 miles away and also covers the area.
Does radar show snow in Alton?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Alton the lowest scan from KSGF is about 12,300 ft up, so light snow from shallow clouds can be under-shown — check NWS winter alerts too.
Is TALON's radar for Alton 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 Alton, follow it right away — see watch vs. warning.
Radar for nearby towns
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