Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Pre-Duty Controller Weather Briefing

The Pre-Duty Controller Weather Briefing is designed to increase controller situational awareness. It is produced by the Center Weather Service Unit three times daily. After hours or during changing weather this briefing may not represent the latest information. This product does not replace pilot pre-flight briefings.

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DC Metro Aviation Forecast Discussion
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KIAD	KDCA

KBWI	KRIC

DCA

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DC Metro Gate Forecast website here.

.AVIATION /15Z MONDAY THROUGH FRIDAY/... A band of snow will spread into the area during the late morning to early afternoon. There is uncertainty whether the most intense part of this band will line up with IAD/DCA or MRB/BWI/MTN. The snow could be moderate for a time. A lull in precipitation is likely late in the afternoon into this evening, but ceilings will quickly crash to MVFR and IFR. However, CHO may have precipitation continue during this time. A wintry mix will spread northward tonight, reaching BWI/MTN last. There's some uncertainty in precipitation type with marginal temperatures. Snow and sleet are possible at the start, eventually becoming freezing rain or rain. Precipitation should change to rain by mid morning Tuesday before tapering off somewhat in the afternoon. IFR to MVFR ceilings likely continue however through Tuesday night. Some improvement in conditions is expected Wednesday, although additional rain and persistent low ceilings are possible across the northern terminals. VFR conditions expected for the most part Thursday through Friday night. Winds south to southwest 5 to 10 knots through the period. Should a backdoor front evolve, then winds would be northeast 10 to 15 knots and occur on Friday into Friday night. Any showers or areas of drizzle and fog could result in MVFR or IFR conditions. AVIATION...ADS/LFR Update as of: 1007 AM EST Mon Mar 2 2026