United States

Severe Weather in Jefferson, United States

Right now

No severe weather recorded here in the last 24 hours.

The most recent data we hold from Iowa Environmental Mesonet (Iowa State University) arrived 17 minutes ago. We record detections, not passes: an absence is not proof that nothing is there.

16, recorded here, since 13 May 2026

3 in the last 30 days. Most recent: 24 October 2026 (11 days ago).

The 14th strongest of the 16 recorded here since 13 May 2026.

By month

  • May 20266
  • July 20266
  • September 20261
  • October 20263

May 2026 is the most active month of the 4 in our series here, with 6 events.

Recent events

Severe WeatherMedium

Snow (6 Inch), 3 S Helena, Jefferson Co., MT

24 October 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherHigh

Snow (12 Inch), Whitehall, Jefferson Co., MT

12 October 2026time not reported by the sourceIndex 35 · version not recorded
Severe WeatherHigh

Snow (17.7 Inch), 2 SE Montana City, Jefferson Co., MT

12 October 2026time not reported by the sourceIndex 40 · version not recorded
Severe WeatherMedium

Severe Wind, MT

3 September 2026time not reported by the sourceIndex 28 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

18 July 2026time not reported by the sourceIndex 22 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

18 July 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

18 July 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

16 July 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

16 July 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

16 July 2026time not reported by the sourceIndex 34 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

27 May 2026time not reported by the sourceIndex 39 · version not recorded4 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

27 May 2026time not reported by the sourceIndex 39 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

27 May 2026time not reported by the sourceIndex 39 · version not recorded
Severe WeatherMedium

Severe Thunderstorm Warning

13 May 2026time not reported by the sourceIndex 34 · version not recorded6 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

13 May 2026time not reported by the sourceIndex 34 · version not recorded6 independent sources
Severe WeatherMedium

Severe Thunderstorm Warning

13 May 2026time not reported by the sourceIndex 39 · version not recorded2 independent sources

Towns with the most events here

Other areas

Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.

Administrative boundaries: geoBoundaries (geoboundaries.org), Public Domain. geoboundaries.org