Connecticut drought risk
Capitol Planning Region has the highest drought risk in Connecticut, scoring 52.8 out of 100 — rated "Relatively Low" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Capitol Planning Region | 52.8 | Relatively Low | 0 |
| 2 | Naugatuck Valley Planning Region | 50.2 | Relatively Low | 0 |
| 3 | Western Connecticut Planning Region | 49.9 | Relatively Low | 0 |
| 4 | Northwest Hills Planning Region | 40.9 | Relatively Low | 0 |
| 5 | Lower Connecticut River Valley Planning Region | 35.3 | Relatively Low | 0 |
| 6 | Southeastern Connecticut Planning Region | 32.4 | Relatively Low | 0 |
| 7 | Northeastern Connecticut Planning Region | 27.2 | Very Low | 0 |
| 8 | South Central Connecticut Planning Region | 23.8 | Very Low | 0 |
| 9 | Greater Bridgeport Planning Region | 18.5 | Very Low | 0 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Drought risk nationally:
Other hazard risks in Connecticut:
Frequently asked questions
What is the highest drought risk county in Connecticut?
Capitol Planning Region, CT has the highest drought risk in Connecticut, with a FEMA National Risk Index score of 52.8 out of 100 (rated "Relatively Low").
What causes drought risk in Connecticut?
Drought risk captures expected annual losses from prolonged precipitation deficits affecting agriculture, water supply, and ecosystems. High scores cover the western Great Plains, Southwest, and California's Central Valley. Climate change is increasing drought frequency and severity across much of the US, with multi-year droughts becoming more common in the West.