Skip to contentCALCHIS

Montana county hazard histories

Pick a county to see what federal records show has happened there: storms NOAA recorded since 1996, FEMA disaster declarations, and flood insurance claims. Every number is counted from those records.

Counties

Montana counties with a substantial federal hazard record
CountyNOAA storm recordsYearsNFIP claims
Cascade County6551996–2026260
Custer County5561996–2026156
Daniels County5041996–20260
Dawson County7891996–20267
Deer Lodge County4221996–20269
Fergus County6411996–202627
Flathead County1,2471996–2026128
Gallatin County7531996–202677
Garfield County8551996–20261
Granite County9941996–20267
Hill County3901996–202617
Lake County1,1231996–202612
Lewis and Clark County6141996–2026102
Lincoln County4051996–202637
McCone County7061996–20260
Mineral County4291996–20264
Missoula County1,4801996–2026169
Phillips County1,2871996–202638
Powell County7391996–202618
Prairie County4981996–20260
Ravalli County7331996–202636
Richland County6971996–20266
Roosevelt County1,1031996–20269
Rosebud County7781996–202611
Sanders County1,1091996–20267
Sheridan County6571996–20261
Silver Bow County4441996–202610
Valley County1,7141996–2026250
Wibaux County4281996–20263
Yellowstone County8911996–2026280

Counties with a shorter record

Fewer than 100 NOAA records, fewer than 10 with recorded damage, or records in fewer than 10 years. A short record can mean few events, or that NOAA filed this county's events under zone names that could not be matched to it.

Related

County histories in other states

Recorded history from federal public records. Not a hazard score, a risk score, or a forecast. Decision-support intelligence — not a primary alerting or dispatch system. Verify against official sources.