Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
725 FOUS51 KLWX 091801 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 101 PM EST Tue Dec 9 2025 VAZ054-092100- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 101 PM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 36 28 46 33 40 Temp 34 29 29 31 31 33 38 43 45 42 40 38 35 33 36 39 38 33 Dewpt 15 20 23 26 27 28 32 33 35 35 34 30 25 21 20 17 16 15 RH 45 69 78 81 85 82 79 67 68 76 79 73 66 61 52 40 40 47 Wind dir S S S S S S S S SW SW SW W W NW NW W W W Wind spd 9 9 10 11 10 11 14 13 13 11 10 11 11 11 17 18 17 12 Wind gust 20 21 25 Clouds SC SC B1 B2 B1 B2 OV OV OV B1 SC SC B1 B1 FW FW FW FW PoP 12hr 0 5 40 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S C S Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 27 39 31 45 33 40 20 34 Temp 31 30 38 36 34 33 44 40 36 36 37 29 23 21 32 30 Dewpt 17 18 20 24 27 26 28 28 28 30 19 13 9 9 11 12 PWind dir W SW SW W W NW NW NW Wind char GN GN GN GN GN BZ BZ BZ Avg clouds SC SC B1 B2 B2 B1 B1 B1 B1 B1 B1 FW FW FW FW SC PoP 12hr 5 30 30 5 40 30 5 5 Rain S S Snow S C C S C C $$ MDZ013-092100- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 101 PM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 35 29 45 32 38 Temp 34 30 29 31 31 32 38 43 43 41 39 37 34 32 34 37 36 31 Dewpt 14 19 22 25 26 28 31 33 35 35 34 30 26 21 20 17 16 17 RH 43 63 75 78 81 85 76 67 73 79 82 75 72 63 56 44 43 56 Wind dir S S SW SW S S S SW SW SW W W W W W W W W Wind spd 8 8 9 9 8 9 12 12 11 10 9 10 11 11 12 13 11 6 Wind gust 18 20 21 23 25 21 24 Clouds SC SC B2 B2 B1 B2 OV OV OV B1 SC B1 B1 B1 FW FW FW FW PoP 12hr 0 5 50 5 0 QPF 12hr 0 0 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C S Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 25 38 28 43 29 39 17 33 Temp 27 27 37 34 30 30 42 36 33 32 36 26 20 18 31 28 Dewpt 17 18 22 24 27 27 30 29 28 30 21 15 10 10 14 16 PWind dir W W SW W W NW NW NW Wind char LT LT LT GN LT GN GN GN Avg clouds FW SC B1 B1 B2 B1 B1 B1 B1 B1 B1 FW FW FW FW SC PoP 12hr 5 30 40 10 40 30 5 5 Snow S C C C C C $$ MDZ011-092100- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 101 PM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 35 29 45 33 39 Temp 34 29 29 30 31 32 38 43 44 41 40 38 35 33 36 37 38 33 Dewpt 13 18 21 24 26 27 30 32 34 34 33 30 25 21 16 14 13 14 RH 41 63 72 78 81 81 73 65 68 76 76 73 66 61 43 38 35 45 Wind dir S S S S S S S SW SW SW W W W W W W W W Wind spd 8 6 6 6 6 8 12 11 10 9 9 10 11 11 13 13 12 6 Wind gust 18 19 19 23 20 Clouds FW SC B2 B2 B1 B2 OV OV OV B1 SC B1 B1 B1 FW FW FW FW PoP 12hr 0 5 50 5 0 QPF 12hr 0 0 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C C Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 28 39 30 44 32 39 21 33 Temp 31 30 38 35 34 33 42 38 36 35 37 28 24 22 32 29 Dewpt 15 16 18 21 24 25 25 26 26 28 18 13 9 9 10 13 PWind dir W W SW W W NW NW NW Wind char LT LT LT GN LT GN GN GN Avg clouds FW SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC FW FW FW SC PoP 12hr 5 30 40 10 40 30 5 5 Snow S C C C S C C $$ WVZ052-092100- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 101 PM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 35 26 47 28 37 Temp 34 28 27 29 31 33 40 46 46 40 37 35 32 28 33 35 35 30 Dewpt 15 19 21 22 24 25 28 33 33 32 30 26 22 17 14 13 12 13 RH 45 68 78 75 75 72 62 60 60 73 75 69 66 63 45 40 38 49 Wind dir S S S S S S S SW SW SW W W W NW NW W W W Wind spd 10 8 5 5 6 9 10 10 10 10 11 12 12 11 13 14 13 10 Wind gust 21 21 26 26 24 Clouds B1 B1 B2 B2 OV OV OV OV B2 B1 B1 B1 B1 SC FW FW SC SC PoP 12hr 0 10 40 10 0 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C S Snow S Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 23 36 25 42 25 35 15 31 Temp 27 25 35 32 29 28 40 35 31 27 33 25 19 16 29 25 Dewpt 14 15 19 21 23 22 25 24 24 21 14 9 6 6 10 11 PWind dir W SW S W W NW NW NW Wind char LT LT LT GN LT GN GN GN Avg clouds SC B1 B2 B1 B2 B2 B1 B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 10 30 40 5 40 20 5 5 Snow S C C S S C S $$ VAZ506-092100- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 101 PM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 35 27 45 31 39 Temp 33 28 29 30 31 32 37 43 44 41 39 37 33 31 35 38 37 31 Dewpt 15 19 23 25 27 27 31 33 35 35 32 28 24 20 19 17 16 17 RH 47 68 78 81 85 81 79 67 70 79 76 70 69 63 52 42 42 56 Wind dir S S S S S S S S SW SW W W NW NW NW W W W Wind spd 10 9 10 10 11 13 14 13 13 10 10 11 11 11 13 13 12 6 Wind gust 19 21 20 26 25 25 Clouds SC SC B1 B2 B2 OV OV OV B2 B1 SC B1 B1 B1 FW FW FW SC PoP 12hr 0 10 30 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S C Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 24 38 28 44 29 38 16 33 Temp 27 26 37 34 30 29 42 37 33 31 36 25 20 17 31 28 Dewpt 17 18 22 26 27 27 30 29 29 29 20 14 9 8 13 14 PWind dir W SW S W W NW NW NW Wind char LT LT LT GN LT GN GN GN Avg clouds SC B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC FW FW FW SC PoP 12hr 10 30 30 5 40 20 5 5 Snow S C C S C S $$ VAZ037-092100- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 101 PM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 32 26 45 29 40 Temp 32 28 28 29 30 30 38 44 44 40 37 35 32 30 35 39 38 31 Dewpt 22 23 24 25 26 26 31 33 36 34 30 27 23 20 17 14 14 14 RH 66 81 85 85 85 85 76 65 73 79 75 72 69 66 47 35 37 49 Wind dir S S S S S S S SW SW SW SW W W W NW W W W Wind spd 9 6 6 6 9 10 12 12 10 9 9 6 6 5 9 10 8 5 Wind gust 24 Clouds B1 SC B1 B2 B2 OV B2 B2 B2 SC SC SC SC SC FW FW FW FW PoP 12hr 0 5 20 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 22 37 28 46 30 42 15 34 Temp 26 26 35 35 32 30 45 38 34 33 40 28 21 16 32 28 Dewpt 15 17 22 25 26 25 27 27 27 29 18 11 7 6 7 10 PWind dir W SW SW SW W NW NW W Wind char LT LT LT LT LT GN LT LT Avg clouds SC B1 B2 B1 B2 B1 B1 B1 B1 B1 SC FW FW FW FW SC PoP 12hr 5 30 20 5 30 20 5 0 Rain C S Snow S C S S $$ MDZ003-092100- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 101 PM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 33 27 45 28 35 Temp 32 29 28 29 31 33 37 43 44 40 37 34 31 28 31 34 33 29 Dewpt 12 18 21 23 24 25 28 33 35 34 31 27 23 18 17 15 15 16 RH 43 63 75 78 75 72 70 67 70 79 79 75 72 66 56 45 47 58 Wind dir S S S S S S S SW SW SW W W NW W W W W W Wind spd 11 10 8 8 9 11 11 11 10 10 10 11 12 13 13 14 13 10 Wind gust 20 26 25 Clouds B2 B1 B2 B2 B2 OV OV OV B2 B2 B1 B1 B1 SC SC SC SC SC PoP 12hr 0 10 60 10 0 QPF 12hr 0 0 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain C L L C Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 24 35 26 39 26 33 15 30 Temp 27 25 34 32 29 28 37 34 30 28 31 23 18 15 28 25 Dewpt 16 17 21 23 24 24 27 26 25 23 17 11 9 9 13 14 PWind dir W SW S W W NW NW NW Wind char GN LT LT GN LT GN GN GN Avg clouds SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC B1 PoP 12hr 5 30 40 10 40 20 5 5 Snow S C C S C C S $$ MDZ017-092100- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 101 PM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 37 31 48 34 42 Temp 35 32 31 32 33 34 40 44 45 42 42 40 37 34 39 41 40 34 Dewpt 20 23 25 27 28 29 33 35 37 37 36 34 29 25 23 19 18 20 RH 54 69 78 81 82 82 76 70 73 82 79 79 72 69 52 41 41 56 Wind dir SW SW SW SW SW SW S SW SW SW SW W W NW NW NW W NW Wind spd 8 10 13 14 13 14 17 17 16 14 14 13 14 14 13 13 11 10 Wind gust 21 26 28 25 28 27 25 Clouds B1 SC B1 B1 SC B1 B2 OV OV B1 SC SC SC SC FW FW FW FW PoP 12hr 0 0 20 5 0 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 27 41 32 47 34 45 22 36 Temp 29 29 39 36 35 34 45 39 38 38 41 30 24 22 33 31 Dewpt 18 19 21 26 29 30 31 32 32 34 25 17 13 13 15 18 PWind dir NW W SW W SW NW NW NW Wind char GN LT GN GN GN GN GN GN Avg clouds FW SC B1 B1 B2 B1 B1 B1 B1 B1 B1 FW FW FW FW SC PoP 12hr 5 20 20 5 30 30 5 5 Rain C C Snow S S C C $$ WVZ502-092100- Petersburg WV 38.99N 79.15W Elev. 963 ft 101 PM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 39 30 49 26 35 Temp 39 33 32 34 35 38 45 46 44 39 36 33 29 27 29 33 32 28 Dewpt 19 22 22 22 23 25 31 35 33 31 29 25 20 17 16 15 15 16 RH 44 63 66 61 61 59 58 65 65 73 75 72 69 65 58 47 49 60 Wind dir S S S S S S SW SW W W W NW W W W W W W Wind spd 8 6 5 5 8 9 12 13 12 9 9 9 8 8 10 11 10 5 Wind gust 17 19 31 29 26 20 19 20 20 21 20 17 Clouds SC B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 0 5 50 50 20 QPF 12hr 0 0 0.06 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain C C S C Snow C C S S S S Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 20 39 25 44 23 36 10 35 Temp 23 22 36 35 30 27 42 35 30 26 31 21 14 10 31 28 Dewpt 15 16 22 26 26 25 27 27 26 21 15 9 5 4 12 15 PWind dir W SW SW W W NW NW W Wind char LT LT LT LT LT GN LT LT Avg clouds SC B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 10 40 30 10 40 20 5 5 Rain C C Snow C C C S S C S $$ MDZ014-092100- Annapolis MD 38.99N 76.49W Elev. 7 ft 101 PM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 36 30 46 32 40 Temp 35 31 30 32 32 33 39 43 44 42 40 38 35 33 36 39 37 33 Dewpt 17 21 23 25 27 28 32 34 36 36 35 31 27 22 21 18 18 18 RH 47 66 75 75 81 82 76 70 73 79 82 76 72 63 54 42 46 53 Wind dir S S SW SW S S S S SW SW W W W W NW W W W Wind spd 9 10 11 12 11 11 14 14 12 12 11 12 11 12 12 13 12 9 Wind gust 23 27 26 23 21 26 25 24 Clouds FW SC B2 B2 SC B2 OV OV OV SC SC B1 SC B1 FW FW FW FW PoP 12hr 0 5 50 10 0 QPF 12hr 0 0 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain S C S Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 27 37 31 43 32 39 21 32 Temp 30 30 36 35 34 33 42 38 36 36 37 29 24 22 31 30 Dewpt 18 19 21 25 27 28 30 30 29 30 22 17 12 12 14 16 PWind dir W W SW W W NW NW NW Wind char LT LT LT GN LT GN GN GN Avg clouds FW SC B1 B1 B2 B1 B1 B1 B1 B1 B1 FW FW FW FW SC PoP 12hr 5 30 30 10 40 30 5 5 Rain S S S Snow S C C S C C $$