Montgomery County weather alerts
There are no active weather alerts for Montgomery County, PA right now.
Since 2016 the National Weather Service has issued about 1,866 alerts that included Montgomery County, roughly 187 a year. The most common is the severe thunderstorm warning (411 from 2016 to 2025). The last tornado warning was issued on June 22, 2026. 20 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Montgomery County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Bucks County, Chester County, Delaware County, Lehigh County.
Montgomery County alert history
Alert events that included Montgomery County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 411 | 47 | November 12, 2026 |
| Flood Advisory | 324 | 0 | March 23, 2024 |
| Flood Warning | 175 | 9 | October 11, 2026 |
| Flash Flood Warning | 129 | 38 | November 12, 2026 |
| Severe Thunderstorm Watch | 114 | 17 | October 16, 2026 |
| Flood Watch | 113 | 10 | September 13, 2026 |
| Winter Weather Advisory | 79 | 3 | March 3, 2026 |
| Dense Fog Advisory | 75 | 8 | May 26, 2026 |
| Wind Advisory | 75 | 3 | September 25, 2026 |
| Heat Advisory | 60 | 8 | September 3, 2026 |
| Frost Advisory | 45 | 9 | November 2, 2026 |
| Freeze Warning | 37 | 6 | November 14, 2026 |
| Tornado Warning | 26 | 2 | June 22, 2026 |
| Winter Storm Warning | 25 | 2 | February 22, 2026 |
| Snow Squall Warning | 24 | 2 | January 1, 2026 |
| Extreme Heat Warning | 23 | 2 | July 15, 2026 |
| Extreme Heat Watch | 20 | 2 | July 15, 2026 |
| Freeze Watch | 20 | 5 | October 24, 2026 |
| Tornado Watch | 17 | 6 | November 12, 2026 |
| Winter Storm Watch | 17 | 2 | February 22, 2026 |
| Red Flag Warning | 13 | 0 | November 16, 2024 |
| Fire Weather Watch | 10 | 0 | November 16, 2024 |
| High Wind Warning | 10 | 0 | December 19, 2025 |
| High Wind Watch | 8 | 0 | November 6, 2025 |
| Cold Weather Advisory | 7 | 4 | February 8, 2026 |
| Coastal Flood Advisory | 3 | 1 | April 19, 2026 |
| Blizzard Warning | 2 | 1 | February 22, 2026 |
| Tropical Storm Watch | 1 | 0 | August 2, 2020 |
| Tropical Storm Warning | 1 | 0 | August 3, 2020 |
| Coastal Flood Warning | 1 | 0 | September 2, 2021 |
| Ice Storm Warning | 1 | 0 | February 15, 2021 |
| Extreme Cold Watch | 0 | 1 | February 7, 2026 |
| Extreme Cold Warning | 0 | 1 | February 7, 2026 |
Tornado history in Montgomery County
20 tornadoes have been recorded in Montgomery County since 1950, killing 4 people and injuring 41. That ranks 18 of 67 counties in Pennsylvania. The most recent was on September 1, 2021 (rated EF2).
Strongest tornadoes in Montgomery County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 27, 1994 | F3 | Montgomery County | 2 mi | 100 yd | 3 | 25 |
| September 1, 2021 | EF2 | Montgomery County | 8.3 mi | 400 yd | 1 | 2 |
| June 24, 1960 | F2 | Berks County | 9.4 mi | 200 yd | 0 | 0 |
| August 13, 1956 | F2 | Montgomery County | 1.3 mi | 333 yd | 0 | 0 |
| June 8, 1961 | F2 | Montgomery County | 1 mi | 200 yd | 0 | 1 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 1, 2021 | EF2 | Montgomery County | 8.3 mi | 400 yd | 1 | 2 |
| August 18, 2021 | EF1 | Montgomery County | 8.8 mi | 140 yd | 0 | 0 |
| November 30, 2020 | EF0 | Montgomery County | 0.9 mi | 100 yd | 0 | 0 |
| August 4, 2020 | EF0 | Montgomery County | 3.1 mi | 200 yd | 0 | 0 |
| September 23, 2003 | F1 | Montgomery County | 0.8 mi | 100 yd | 0 | 0 |
About Montgomery County
- Population: 879,190 (2024 estimate)
- State: Pennsylvania
- NOAA Weather Radio SAME code: 042091 (how to use it)