Putnam County weather alerts
There are no active weather alerts for Putnam County, IL right now.
Since 2016 the National Weather Service has issued about 824 alerts that included Putnam County, roughly 82 a year. The most common is the dense fog advisory (94 from 2016 to 2025). The last tornado warning was issued on August 22, 2026. 12 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 Putnam County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Marshall County, LaSalle County, Bureau County.
Putnam County alert history
Alert events that included Putnam County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Dense Fog Advisory | 94 | 7 | September 10, 2026 |
| Winter Weather Advisory | 93 | 1 | March 16, 2026 |
| Severe Thunderstorm Warning | 81 | 18 | August 12, 2026 |
| Severe Thunderstorm Watch | 75 | 12 | August 21, 2026 |
| Wind Advisory | 67 | 5 | April 2, 2026 |
| Flood Warning | 66 | 9 | August 15, 2026 |
| Heat Advisory | 44 | 2 | August 31, 2026 |
| Flood Watch | 40 | 9 | September 30, 2026 |
| Cold Weather Advisory | 34 | 3 | January 26, 2026 |
| Tornado Watch | 32 | 7 | June 17, 2026 |
| Winter Storm Warning | 24 | 0 | November 29, 2025 |
| Flood Advisory | 23 | 0 | January 17, 2024 |
| Frost Advisory | 22 | 3 | October 17, 2026 |
| Freeze Warning | 22 | 1 | April 20, 2026 |
| Winter Storm Watch | 20 | 1 | March 16, 2026 |
| Flash Flood Warning | 13 | 2 | August 22, 2026 |
| Tornado Warning | 12 | 8 | August 22, 2026 |
| Red Flag Warning | 11 | 2 | February 27, 2026 |
| Extreme Heat Warning | 10 | 3 | September 2, 2026 |
| Freeze Watch | 9 | 0 | October 16, 2024 |
| Extreme Heat Watch | 7 | 2 | July 27, 2026 |
| Extreme Cold Warning | 6 | 1 | January 23, 2026 |
| High Wind Warning | 5 | 2 | March 15, 2026 |
| High Wind Watch | 4 | 0 | December 15, 2021 |
| Extreme Cold Watch | 4 | 1 | January 23, 2026 |
| Ice Storm Warning | 2 | 0 | February 12, 2019 |
| Fire Weather Watch | 2 | 2 | February 27, 2026 |
| Blizzard Warning | 1 | 1 | March 16, 2026 |
| Snow Squall Warning | 1 | 0 | February 19, 2022 |
Tornado history in Putnam County
12 tornadoes have been recorded in Putnam County since 1950, killing 8 people and injuring 13. That ranks 94 of 102 counties in Illinois. The most recent was on February 8, 2024 (rated EF1).
Strongest tornadoes in Putnam County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 20, 2004 | F3 | Putnam County | 15.8 mi | 880 yd | 8 | 12 |
| July 17, 1972 | F3 | Marshall County | 81.5 mi | 200 yd | 0 | 0 |
| November 12, 1965 | F2 | Putnam County | 8.7 mi | 50 yd | 0 | 0 |
| June 5, 2010 | EF2 | Putnam County | 8 mi | 880 yd | 0 | 0 |
| April 21, 1967 | F2 | Putnam County | 0.3 mi | 30 yd | 0 | 1 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| February 8, 2024 | EF1 | Marshall County | 10 mi | 100 yd | 0 | 0 |
| October 11, 2021 | ? | Putnam County | 0 mi | 10 yd | 0 | 0 |
| July 17, 2016 | EF0 | Putnam County | 0.2 mi | 25 yd | 0 | 0 |
| July 17, 2016 | EF0 | Putnam County | 1.2 mi | 25 yd | 0 | 0 |
| June 5, 2010 | EF2 | Putnam County | 8 mi | 880 yd | 0 | 0 |
About Putnam County
- Population: 5,633 (2024 estimate)
- State: Illinois
- NOAA Weather Radio SAME code: 017155 (how to use it)