Washington, District of Columbia
Regional Weather Alerts
| Alert: | Heat Advisory |
| Area(s): | District of Columbia; Cecil; Southern Baltimore; Prince Georges; Anne Arundel; Charles; St. Marys; Calvert; Central and Southeast Montgomery; Central and Southeast Howard; Southeast Harford; Albemarle; Greene; Madison; Orange; Culpeper; Fairfax; Arlington/Falls Church/Alexandria; Stafford; Spotsylvania; King George; Southern Fauquier; Central and Southeast Prince William/Manassas/Manassas Park |
| Effective: | 2026-07-05 @ 12:57 am -> 2026-07-05 @ 9:00 am |
| Onset: | 2026-07-05 @ 9:00 am -> 2026-07-05 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Baltimore MD/Washington DC on 2026-07-05 @ 12:57 am |
| Headline: | Heat Advisory issued July 5 at 1:57AM EDT until July 5 at 8:00PM EDT by NWS Baltimore MD/Washington DC |
| Description: |
* WHAT...Heat index values up to 105 expected. * WHERE...Washington DC, portions of central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...From 10 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. |
| Alert: | Air Quality Alert |
| Area(s): | District of Columbia |
| Effective: | 2026-07-04 @ 3:40 pm -> 2026-07-05 @ 11:00 pm |
| Onset: | 2026-07-04 @ 3:40 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Baltimore MD/Washington DC on 2026-07-04 @ 3:42 pm |
| Headline: | Air Quality Alert issued July 4 at 4:40PM EDT by NWS Baltimore MD/Washington DC |
| Description: |
The Metropolitan Washington Council of Governments and District Department of Environment has issued a Code PURPLE Air Quality Alert Sunday for the District of Columbia. For more information on ground-level ozone and fine particles visit the web site https://www.mwcog.org/environment/air/forecast/ |