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Alaska hail risk

30 counties scored 0 rated Very High

Anchorage Municipality has the highest hail risk in Alaska, scoring 7.2 out of 100 — rated "Very Low" by FEMA's National Risk Index.

# County NRI score Rating NOAA events
2016–2026
1 Anchorage Municipality 7.2 Very Low 0
2 Matanuska-Susitna Borough 3.2 Very Low 0
3 Kenai Peninsula Borough 2.7 Very Low 0
4 Fairbanks North Star Borough 1.2 Very Low 0
5 Southeast Fairbanks Census Area 1 Very Low 0
6 Bethel Census Area 0.9 Very Low 0
7 Denali Borough 0.9 Very Low 0
8 Copper River Census Area 0.8 Very Low 0
9 Chugach Census Area 0.7 Very Low 0
10 Dillingham Census Area 0.7 Very Low 0
11 Yukon-Koyukuk Census Area 0.7 Very Low 0
12 Kusilvak Census Area 0.6 Very Low 0
13 Lake and Peninsula Borough 0.6 Very Low 0
14 Aleutians East Borough 0 No Rating 0
15 Aleutians West Census Area 0 No Rating 0
16 Bristol Bay Borough 0 No Rating 0
17 Haines Borough 0 No Rating 0
18 Hoonah-Angoon Census Area 0 No Rating 0
19 Juneau City and Borough 0 No Rating 0
20 Ketchikan Gateway Borough 0 No Rating 0
21 Kodiak Island Borough 0 No Rating 0
22 Nome Census Area 0 No Rating 0
23 North Slope Borough 0 No Rating 0
24 Northwest Arctic Borough 0 No Rating 0
25 Petersburg Borough 0 No Rating 0
26 Prince of Wales-Hyder Census Area 0 No Rating 0
27 Sitka City and Borough 0 No Rating 0
28 Skagway Municipality 0 No Rating 0
29 Wrangell City and Borough 0 No Rating 0
30 Yakutat City and Borough 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.

Hail risk nationally:

Top 50 US counties

Other hazard risks in Alaska:

WildfireInland FloodingCoastal FloodingEarthquakeHeat WaveTornadoHurricaneStrong WindWinter WeatherIce StormCold WaveLightningDroughtLandslideAvalancheTsunamiVolcanic Activity

Frequently asked questions

What is the highest hail risk county in Alaska?

Anchorage Municipality, AK has the highest hail risk in Alaska, with a FEMA National Risk Index score of 7.2 out of 100 (rated "Very Low").

What causes hail risk in Alaska?

Hail risk reflects expected annual losses from damaging hailstones to structures, vehicles, and crops. High scores cluster in the central plains and Front Range — a corridor sometimes called "Hail Alley" — where large-diameter hail is most frequent. Hail causes over $10 billion in US property damage in active years, much of it to roofs, vehicles, and crops.