Heat Advisories in Oregon
254 heat advisories since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Heat Advisories
- 254
- Busiest year
- 202527 heat advisories
- Average year
- 12over 22 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Morrow County71
- Umatilla County69
- Wasco County61
- Gilliam County56
- Curry County54
- Sherman County51
- Josephine County50
- Jackson County48
- Wheeler County38
- Douglas County38
- Coos County36
- Jefferson County35
- Malheur County35
- Grant County32
- Klamath County31
- Crook County26
- Deschutes County26
- Union County25
- Wallowa County18
- Lake County18
- Harney County15
- Multnomah County14
- Baker County13
- Clackamas County13
- Hood River County13
- Columbia County12
- Lane County12
- Washington County12
- Linn County11
- Marion County11
- Polk County11
- Yamhill County11
- Benton County10
- Clatsop County5
- Lincoln County5
- Tillamook County5
The latest heat advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 10:30 AM PDT | Heat Advisory | PDT | Crook, Deschutes, Gilliam, Grant, Jefferson, Morrow and 6 more | 36 hr |
| Aug 19, 1:17 AM PDT | Heat Advisory | BOI | Malheur | 67 hr |
| Aug 5, 11:00 AM PDT | Heat Advisory | BOI | Baker, Harney, Malheur | 3 days |
| Aug 2, 10:32 AM PDT | Heat Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more | 7 days |
| Aug 2, 10:16 AM PDT | Heat Advisory | PQR | Benton, Clackamas, Clatsop, Columbia, Lane, Lincoln and 7 more | 4 days |
| Jul 22, 12:17 PM PDT | Heat Advisory | BOI | Malheur | 3 days |
| Jul 20, 3:16 PM PDT | Heat Advisory | PDT | Gilliam, Morrow, Sherman, Umatilla, Wasco | 3 days |
| Jul 19, 10:07 AM PDT | Heat Advisory | PQR | Clackamas, Columbia, Hood River, Linn, Marion, Multnomah and 3 more | 3 days |
| Jul 18, 11:16 PM PDT | Heat Advisory | BOI | Malheur | 45 hr |
| Jul 15, 11:43 AM PDT | Heat Advisory | BOI | Malheur | 32 hr |
| Jul 15, 11:00 AM PDT | Heat Advisory | PDT | Gilliam, Morrow, Sherman, Umatilla, Union, Wallowa and 1 more | 34 hr |
| Jul 11, 7:55 PM PDT | Heat Advisory | BOI | Malheur | 48 hr |
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.