Sweet Grass, MT Live Doppler Radar
Live radar for Sweet Grass, Toole County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Sweet Grass?
Since 1996, the National Weather Service has logged high winds on 96 days in the Eastern Glacier, Western Toole, and Central Pondera forecast zone and Toole County — the most common reported hazard around Sweet Grass, mostly in February and January. Next come damaging thunderstorm winds (36 days) and extreme cold & wind chill (11 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| High winds | 96 | Jun 2026 | — |
| Damaging thunderstorm winds | 36 | May 2026 | Jun 8, 2000 · $15,000 damage |
| Extreme cold & wind chill | 11 | Feb 2025 | — |
| Heavy snow & winter storms | 3 | Mar 2024 | — |
| Flash flooding | 3 | Jun 2018 | Jul 4, 1998 · $10,000 damage |
| Flooding | 2 | Apr 2018 | — |
| 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 Eastern Glacier, Western Toole, and Central Pondera forecast zone and Toole County; damage is as reported, not adjusted for inflation.
Which radars cover Sweet Grass?
The closest NEXRAD Doppler radar is KTFX (Great Falls, MT), about 109 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 Sweet Grass | View |
|---|---|---|---|
| KTFX Great Falls, MT | 109 mi south-southeast | 11,000 ft | Limited — the beam overshoots the lowest part of storms |
| KMSX Missoula, MT | 164 mi southwest | 21,000 ft | Limited — the beam overshoots the lowest part of storms |
| KGGW Glasgow, MT | 250 mi east | 42,800 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 Sweet Grass
Since 1950, NOAA has recorded 3 tornadoes within 25 miles of Sweet Grass, 1 of them EF2/F2 or stronger. Most came in May and June. The strongest was an F2 on May 7, 1982, which touched down about 7 miles south-southeast of town. The most recent was an F0 on June 29, 1991, which touched down about 13 miles east of town.
Hail: 20 reports of 1-inch or larger hail within 25 miles since 1955, 2 of them 2 inches or more; the largest was 2.75-inch hail on August 6, 1967.
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 Sweet Grass'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.
Sweet Grass radar FAQ
Where is the nearest weather radar to Sweet Grass, MT?
KTFX (Great Falls, MT), about 109 miles south-southeast. KMSX (Missoula, MT) is 164 miles away and also covers the area.
Can radar see a tornado near Sweet Grass?
Radar can't see the tornado itself, but it shows the rotating storm and, once debris is lofted, a debris signature. Over Sweet Grass the lowest scan from KTFX is about 11,000 ft up — limited — the beam overshoots the lowest part of storms.
Is TALON's radar for Sweet Grass 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 Sweet Grass, follow it right away — see watch vs. warning.
Radar for nearby towns
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