Drought
Above normalIdaho drought
Share of state area in drought (D1-D4) or worse, week over week
Data through Aug 25, 2026 · source last checked Aug 27, 2026 · page revised Aug 27, 2026
Cite
- % in drought
About this data
- Source
- US Drought Monitor (National Drought Mitigation Center, USDA, NOAA)
- Series
- Share of area in moderate drought (D1) or worse
- Geography
- Idaho
- Unit
- %
- Calculation
- Conditions as of the prior Tuesday
- Last observation
- Aug 25, 2026
- Update frequency
- Weekly, released Thursdays
Drought held steady week over week (now 75%).
Idaho drought held at 75% of state area week over week. Month over month the state improved 3 points, but coverage remains 26 points above the 5-year median of 49%.
| Period | Current | Prior | Change |
|---|---|---|---|
| Week over week | 75% | 75% | +0 pts |
| Month over month | 75% | 78% | -3 pts |
| Year over year | 75% | 90% | -15 pts |
| vs 5-yr median | 75% | 49% | +26 pts |
Previous weeks
Week of Aug 18, 2026
Drought in Idaho eased to 75% of the state, down 3 percentage points on the week. Year over year, coverage has improved 15 percentage points. The state sits 26 percentage points above its 5-year median for this period.
An earlier week
Idaho drought coverage held at 78% of state area this week, unchanged from the prior week. Month over month, coverage fell 3 points from 81%, and year over year it fell 9 points from 86%. At 78%, the state sits 29 points above the 5-year median of 49%.
Week of Aug 13, 2026
Idaho's drought coverage held steady at 78% over the week but has improved 3 points from a month ago and 9 points year over year. The state is 32 points above the 5-year median.