AtmosDays

Hail and wind reports › August 20, 2025 › Montana

Hail and wind reports in Montana, August 20, 2025

2 hail, 8 wind and 0 tornado reports; largest hail 1.25 in; strongest gust 75 mph.

‹ August 19, 2025 · August 21, 2025 › · All dates

Time (UTC)TypeSize / speedPlaceCountyNotes
08-20 21:25Wind62 mph11 S GalataTooleBootlegger S CG SW Mesonet. (TFX)
08-20 22:30Wind68 mph10 S InvernessHillMesonet station GW4079 INVERNESS TEN SOUTH SOUTHEAS. (TFX)
08-20 23:35Wind75 mph4 W HavreHill(TFX)
08-20 23:38Hail1.25 in2 S HavreHillSocial media picture of hail approximated to be 1.25 inches or a bit larger 1 mile south of Havre. Time estimated using radar. (TFX)
08-20 23:54Wind67 mph9 E HavreBlainePeak wind gust measured by Ambient station PG Ranch. (TFX)
08-20 23:55Wind62 mph8 ENE DentonFergusCorrects previous non-tstm wnd gst report from 8 ENE Denton. AWOS station K1DM 7 ENE Denton. (TFX)
08-21 01:20Wind73 mph13 ENE RoyFergusMontana mesonet station Roy E. Sustained winds of 44 mph at time of report. (TFX)
08-21 09:53Hail1.00 in15 NNE MccloudPrairieWind also accompanied the storm... knocking tree limbs down. (GGW)
08-21 09:53Wind60 mph16 NNE MccloudPrairieWinds knocked down tree limbs. It is estimated that gusts of 50 to 60 mph occurred. (GGW)
08-21 10:32Wind62 mph1 NW Forest ParkDawsonAWOS station KGDV Glendive Airport. (GGW)

Preliminary local storm reports from NOAA's Storm Prediction Center, made by trained spotters, the public and National Weather Service offices. Not every storm is reported, reports can be revised, and a report near a property shows storm exposure, not proof of damage. A report day runs from 7 a.m. Eastern (12:00 UTC) to 7 a.m. the next day; times are UTC.

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