◆ WALLA WALLA, IL HAIL HISTORY · CUMBERLAND COUNTY
Walla Walla, IL hail history & hail map
Walla Walla, Illinois has had 2 hail events in the past 5 years, with hail up to 1.50″ (Ping Pong Ball). Most recent: Nov 18, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
2Hail events in the past 5 years
1.50″Largest recorded hail · Ping Pong Ball
1.50″Largest ground report (within 3 mi)
—Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Walla Walla, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Walla Walla
| Date | Peak hail | Sources |
|---|---|---|
| Nov 18, 2025 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| May 16, 2025 | 1.50″ Ping Pong Ball | 1 ground report (max 1.50″) |
More Illinois hail history
All Illinois cities & hail days →
Events count days with NOAA MRMS radar hail over Walla Walla (39.200, -88.150) or an NWS / CoCoRaHS hail report within 3 miles. Data window: NOAA MRMS radar hail swaths Oct 2021 – Nov 2026; NWS / NCEI Storm Events reports Nov 2024 – Jul 2026; CoCoRaHS volunteer reports Oct 2021 – present. Radar hail sizes are estimates, not ground truth; hail at any single address can differ.