Big Stone Colony, MT Live Doppler Radar
Live radar for Big Stone Colony, Cascade County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Big Stone Colony?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 96 days in the Cascade County below 5000ft forecast zone and Cascade County — the most common reported hazard around Big Stone Colony, mostly in July and June. Next come high winds (39 days) and heavy snow & winter storms (16 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 96 | May 2026 | Jun 19, 2003 · $60,000 damage |
| High winds | 39 | Apr 2026 | Mar 8, 2026 · $20,000 damage |
| Heavy snow & winter storms | 16 | Apr 2026 | — |
| Flash flooding | 13 | Jul 2025 | Jun 19, 2003 · $250,000 damage |
| Flooding | 11 | May 2023 | May 17, 2023 · 2 deaths · $60,000 damage |
| Extreme cold & wind chill | 5 | Feb 2025 | — |
| Lightning casualties & damage | 4 | Aug 2019 | Aug 11, 2019 · $10,000 damage |
| Blizzards | 1 | 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 Cascade County below 5000ft forecast zone and Cascade County; damage is as reported, not adjusted for inflation.
How much snow does Big Stone Colony get?
A normal year brings about 69 inches of snow to Big Stone Colony, based on NOAA's 1991–2020 climate normals for the Great Falls Wfo weather station 9.3 miles away. The snowiest month is usually February (11.5 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 5.1 | 9.3 | 9.7 | 9.5 | 11.5 | 9.7 | 10.7 | 1.9 |
Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.
Which radars cover Big Stone Colony?
The closest NEXRAD Doppler radar is KTFX (Great Falls, MT), about 9 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 Big Stone Colony | View |
|---|---|---|---|
| KTFX Great Falls, MT | 9 mi west-northwest | 500 ft | Excellent — the lowest scan sees close to the ground |
| KMSX Missoula, MT | 133 mi west | 14,900 ft | Limited — the beam overshoots the lowest part of storms |
| KBLX Billings, MT | 163 mi southeast | 20,900 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 Big Stone Colony
Since 1950, NOAA has recorded 17 tornadoes within 25 miles of Big Stone Colony, 1 of them EF2/F2 or stronger. Most came in July and June. The strongest was an F2 on June 30, 1975, which touched down about 25 miles south of town. The most recent was an EF0 on June 23, 2018, which touched down about 25 miles northeast of town.
Hail: 155 reports of 1-inch or larger hail within 25 miles since 1955, 14 of them 2 inches or more; the largest was 4.00-inch hail on August 5, 2002.
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 Big Stone Colony'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.
Big Stone Colony radar FAQ
Where is the nearest weather radar to Big Stone Colony, MT?
KTFX (Great Falls, MT), about 9 miles west-northwest. KMSX (Missoula, MT) is 133 miles away and also covers the area.
Does radar show snow in Big Stone Colony?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Big Stone Colony the lowest scan from KTFX is about 500 ft up.
Is TALON's radar for Big Stone Colony 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 Big Stone Colony, follow it right away — see watch vs. warning.
Radar for nearby towns
- Great Falls, MT radar 8 mi
- Fort Benton, MT radar 39 mi
- Choteau, MT radar 53 mi
- White Sulphur Springs, MT radar 61 mi