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Winter in Converse County, Wyoming
17 winter storms and snow events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Winter Storm, Winter Weather, Heavy Snow, Blizzard, Ice Storm, Lake-Effect Snow, Sleet.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
Converse County, Wyoming, has 17 winter events in the NCEI record since 1950, with at least one in 7 different years.
March is the busiest month, with 4 of the recorded events. The last 20 years account for 4 events against 13 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.2% of the 7,057 winter events recorded in Wyoming; its 0.4 per 100 square miles compares with 7.3 statewide.
Some winter weather and high wind events are recorded by NWS forecast zone rather than by county; zone-recorded events whose zone is named for the county are included and marked "Forecast zone" in the table.
Compared with Wyoming
| Measure | Converse County | Wyoming | US |
|---|---|---|---|
| Winter events since 1950 | 17 | 7,057 | 287,339 |
| Per 100 square miles | 0.4 | 7.3 | 8.1 |
| Per 10,000 residents | 12.4 | 121.9 | 8.7 |
| Deaths recorded | 0 | 30 | 2,509 |
| Busiest month | March | February | January |
By year
Seasonality
2Feb
2Mar
4Apr
4May
0Jun
0Jul
0Aug
0Sep
0Oct
3Nov
1Dec
1
Recorded events
All 17 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 4 Apr 2009 | Winter Storm | — | — | — | — | — | Forecast zone |
| 22 Mar 2009 | Blizzard | — | — | — | — | — | Forecast zone |
| 24 Jan 2009 | Winter Weather | — | — | — | — | — | Forecast zone |
| 28 Mar 2007 | Winter Storm | — | — | — | — | — | Forecast zone |
| 21 Apr 2001 | Blizzard | — | — | — | — | — | Forecast zone |
| 1 Nov 2000 | Winter Storm | — | — | — | — | — | Forecast zone |
| 16 Feb 2000 | Winter Storm | — | — | — | — | — | Forecast zone |
| 4 Oct 1998 | Blizzard | — | $25K | — | — | — | Forecast zone |
| 6 Mar 1998 | Winter Storm | — | $10K | — | — | — | Forecast zone |
| 24 Oct 1997 | Blizzard | — | $10K | — | — | — | Forecast zone |
| 4 Apr 1997 | Blizzard | — | $5.0M | — | — | — | Forecast zone |
| 2 Feb 1997 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 14 Dec 1996 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 25 Oct 1996 | Blizzard | — | — | — | — | — | Forecast zone |
| 19 Apr 1996 | Blizzard | — | — | — | — | — | Forecast zone |
| 23 Mar 1996 | Blizzard | — | — | — | — | — | Forecast zone |
| 16 Jan 1996 | Blizzard | — | — | — | — | — | Forecast zone |
Questions and answers
How many winter events has Converse County had?
17 events in the NCEI Storm Events record between 1950 and 2026. Reporting of winter storms and snow became far more complete after 1996, so early decades undercount.
When was the last recorded winter event in Converse County?
4 Apr 2009 (Winter Storm). Records reach NCEI about 120 days after the month ends.
What was the most damaging winter event recorded in Converse County?
The blizzard of 4 Apr 1997, with property damage estimated by NCEI at $5.0M.
How does Converse County compare with Wyoming for winter?
0.4 events per 100 square miles against 7.3 statewide; the county holds 17 of the state's 7,057 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Winter hub and the county page.