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Alaska drought risk

30 counties scored 0 rated Very High

Kenai Peninsula Borough has the highest drought risk in Alaska, scoring 12.3 out of 100 — rated "Very Low" by FEMA's National Risk Index.

# County NRI score Rating NOAA events
2016–2026
1 Kenai Peninsula Borough 12.3 Very Low 0
2 Aleutians East Borough 0 No Rating 0
3 Aleutians West Census Area 0 No Rating 0
4 Anchorage Municipality 0 No Rating 0
5 Bethel Census Area 0 No Rating 0
6 Bristol Bay Borough 0 No Rating 0
7 Chugach Census Area 0 No Rating 0
8 Copper River Census Area 0 No Rating 0
9 Denali Borough 0 No Rating 0
10 Dillingham Census Area 0 No Rating 0
11 Fairbanks North Star Borough 0 No Rating 0
12 Haines Borough 0 No Rating 0
13 Hoonah-Angoon Census Area 0 No Rating 0
14 Juneau City and Borough 0 No Rating 0
15 Ketchikan Gateway Borough 0 No Rating 0
16 Kodiak Island Borough 0 No Rating 0
17 Kusilvak Census Area 0 No Rating 0
18 Lake and Peninsula Borough 0 No Rating 0
19 Matanuska-Susitna Borough 0 No Rating 0
20 Nome Census Area 0 No Rating 0
21 North Slope Borough 0 No Rating 0
22 Northwest Arctic Borough 0 No Rating 0
23 Petersburg Borough 0 No Rating 0
24 Prince of Wales-Hyder Census Area 0 No Rating 0
25 Sitka City and Borough 0 No Rating 0
26 Skagway Municipality 0 No Rating 0
27 Southeast Fairbanks Census Area 0 No Rating 0
28 Wrangell City and Borough 0 No Rating 0
29 Yakutat City and Borough 0 No Rating 0
30 Yukon-Koyukuk Census Area 0 No Rating 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:

Top 50 US counties

Other hazard risks in Alaska:

WildfireInland FloodingCoastal FloodingEarthquakeHeat WaveTornadoHurricaneHailStrong WindWinter WeatherIce StormCold WaveLightningLandslideAvalancheTsunamiVolcanic Activity

Frequently asked questions

What is the highest drought risk county in Alaska?

Kenai Peninsula Borough, AK has the highest drought risk in Alaska, with a FEMA National Risk Index score of 12.3 out of 100 (rated "Very Low").

What causes drought risk in Alaska?

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.