Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
807 FOUS51 KLWX 091502 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1002 AM EST Tue Dec 9 2025 VAZ054-092100- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1002 AM 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 32 48 34 42 Temp 34 35 32 32 33 34 35 40 45 46 44 43 41 37 34 38 41 40 36 Dewpt 11 16 20 22 24 26 28 30 31 32 34 33 30 27 24 21 18 16 18 RH 38 45 61 66 69 72 75 67 58 58 68 67 65 67 66 50 39 37 47 Wind dir S S S SW S S S S S SW SW SW W W W NW NW NW NW Wind spd 8 9 9 12 11 13 14 16 17 16 13 12 13 14 14 17 18 17 13 Wind gust 32 33 32 24 23 28 28 Clouds B1 SC SC SC SC B1 B2 B2 OV OV B1 SC SC SC SC SC SC SC SC PoP 12hr 0 10 30 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S 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 29 40 31 44 30 37 20 34 Temp 32 29 38 36 34 33 42 38 34 30 35 28 24 20 32 31 Dewpt 19 18 18 23 25 26 24 23 23 22 16 12 10 9 11 13 PWind dir NW W SW W NW NW NW W Wind char GN GN GN WY BZ BZ GN GN Avg clouds B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 SC SC FW FW FW SC PoP 12hr 5 20 30 5 30 20 5 5 Rain S Snow S C S C S $$ MDZ013-092100- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1002 AM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 35 29 46 32 40 Temp 33 34 31 29 30 31 32 38 44 45 42 40 39 35 32 36 40 38 33 Dewpt 10 15 20 23 25 26 28 32 33 35 36 35 32 27 25 23 20 19 19 RH 38 45 63 78 81 81 85 79 65 68 79 82 76 72 75 59 44 46 56 Wind dir S S S SW SW SW S S S SW SW W W W W W W W NW Wind spd 6 8 8 6 5 5 6 10 12 10 8 8 6 8 8 11 12 10 5 Wind gust 18 20 20 18 17 18 21 Clouds B1 SC SC B1 SC B1 B1 B2 OV B2 B1 SC SC FW SC SC SC SC SC PoP 12hr 0 10 50 10 0 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C C C Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 26 39 28 42 26 35 17 32 Temp 29 26 37 34 30 30 41 34 31 27 33 25 20 18 30 27 Dewpt 19 19 20 23 25 26 25 24 23 23 18 14 10 10 13 15 PWind dir W W SW W NW NW NW NW Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC B1 B1 B2 B1 B1 B1 B2 B1 SC SC FW FW FW SC PoP 12hr 5 20 30 10 30 20 5 5 Snow S C S S C S $$ MDZ011-092100- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1002 AM 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 32 46 33 40 Temp 33 34 32 32 33 33 33 39 44 45 44 43 41 37 34 37 40 38 35 Dewpt 8 13 18 20 22 24 26 28 30 32 33 32 30 26 23 19 16 15 16 RH 34 41 56 61 63 69 75 64 57 60 65 65 65 64 64 48 37 38 45 Wind dir S S S SW SW S S S S SW SW W W W W W W W NW Wind spd 6 8 6 5 5 5 6 10 12 11 9 9 6 9 9 11 12 10 5 Wind gust 17 16 20 17 21 Clouds B1 SC SC B1 SC B1 B2 B2 OV OV B1 SC SC FW SC SC SC SC SC PoP 12hr 0 10 50 10 0 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain C 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 40 31 42 29 36 20 34 Temp 32 28 38 37 34 32 41 38 33 29 34 29 24 20 31 31 Dewpt 16 17 16 21 23 24 22 21 21 20 15 12 10 9 10 13 PWind dir W W SW W NW NW NW NW Wind char LT LT LT GN LT GN LT LT Avg clouds B1 SC B1 B1 B2 B1 B1 B1 B2 B1 SC SC FW FW FW SC PoP 12hr 5 20 30 10 30 20 5 5 Snow S C S S C S $$ WVZ052-092100- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1002 AM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 35 26 49 29 38 Temp 32 34 29 27 30 31 32 39 47 47 42 39 37 34 30 34 37 36 32 Dewpt 7 12 17 19 21 22 24 27 30 31 31 29 26 23 20 17 16 14 16 RH 34 39 60 71 69 69 72 62 51 53 65 67 64 64 66 49 42 40 51 Wind dir S S S S S S S S S SW SW W W W W W W W W Wind spd 9 10 9 9 6 8 9 10 12 11 10 10 10 11 10 13 13 12 6 Wind gust 21 20 20 21 24 Clouds SC SC B2 B1 B2 OV OV OV OV B2 B1 B1 B1 B1 SC SC SC SC B1 PoP 12hr 0 20 40 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C C C Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 23 37 25 40 23 32 14 31 Temp 28 24 36 33 30 27 39 33 29 24 30 24 19 15 29 27 Dewpt 16 16 18 21 22 20 19 18 18 16 12 8 7 7 9 11 PWind dir W W SW W NW NW NW SW Wind char LT GN GN GN GN GN LT LT Avg clouds B1 B1 B1 B1 B2 B2 B1 B1 B2 B2 B1 SC SC SC SC SC PoP 12hr 5 30 30 5 30 10 5 5 Snow C C S C $$ VAZ506-092100- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1002 AM 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 28 47 31 40 Temp 33 34 30 29 30 32 33 38 45 46 43 40 38 35 31 36 40 38 33 Dewpt 10 15 20 23 25 26 29 32 34 35 36 35 31 27 24 22 21 19 20 RH 38 45 66 78 81 78 85 79 65 65 76 82 76 72 75 56 46 46 58 Wind dir S S S S S S S S S SW SW SW W W W NW NW NW NW Wind spd 9 10 10 10 8 10 11 13 13 13 10 9 9 10 9 12 12 10 5 Wind gust 20 25 25 24 Clouds B1 SC SC SC B1 B2 B2 OV OV B2 B1 SC SC SC SC SC SC SC SC PoP 12hr 0 10 20 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain 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 25 39 27 42 26 34 16 31 Temp 29 26 38 34 30 29 41 35 31 27 32 25 20 16 30 27 Dewpt 19 19 21 23 26 26 25 24 23 22 18 12 9 9 12 14 PWind dir W W SW W NW NW NW W Wind char LT LT LT GN GN GN LT LT Avg clouds B1 B1 B1 B1 B2 B1 B1 B1 B2 B1 SC SC FW FW SC SC PoP 12hr 5 20 30 5 30 10 5 5 Snow S C S C $$ VAZ037-092100- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1002 AM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 33 27 47 30 41 Temp 31 32 29 28 29 31 32 38 45 46 43 41 38 35 31 37 41 39 34 Dewpt 15 20 21 21 22 24 26 29 31 32 32 30 28 25 22 19 17 17 18 RH 51 61 72 75 75 75 78 70 58 58 65 65 67 66 69 48 37 40 51 Wind dir S S S SW SW SW S S SW SW SW SW W W W W W W W Wind spd 8 9 8 6 5 8 9 10 12 10 10 9 6 6 5 8 9 6 5 Wind gust 21 25 23 20 20 Clouds B1 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC SC SC SC FW SC SC B1 PoP 12hr 0 5 10 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 23 39 27 46 28 38 15 33 Temp 28 24 37 36 32 29 44 38 32 28 36 27 20 16 31 29 Dewpt 18 18 19 23 25 23 22 23 22 22 16 9 5 5 6 10 PWind dir W SW SW W W NW NW SW Wind char LT LT LT GN LT LT LT LT Avg clouds SC B1 B1 B1 B1 B1 SC SC B1 B1 SC FW FW FW FW SC PoP 12hr 5 20 10 5 20 10 5 5 Rain S Snow S $$ MDZ003-092100- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1002 AM 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 46 29 36 Temp 30 32 29 28 29 31 33 37 44 44 41 37 36 32 30 33 35 34 30 Dewpt 7 12 17 21 22 24 26 30 32 34 34 32 29 26 22 20 18 17 18 RH 37 43 60 75 75 75 75 75 62 68 76 82 75 78 72 58 49 49 60 Wind dir S S S S S S S S S SW SW W W W W W W W W Wind spd 10 10 10 8 6 8 9 10 11 10 10 10 10 11 10 13 13 11 6 Wind gust 21 20 Clouds SC B1 B2 B1 B2 B2 OV OV OV B2 B2 B1 SC B1 SC SC SC SC B1 PoP 12hr 0 20 60 10 5 QPF 12hr 0 0 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Frzg rain S Rain C C L L 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 37 25 38 23 31 13 29 Temp 28 25 34 31 29 27 36 32 29 24 28 22 18 14 28 26 Dewpt 18 17 19 22 24 22 22 20 20 18 15 10 9 8 12 14 PWind dir W W SW W NW NW NW SW Wind char LT GN GN GN GN GN LT LT Avg clouds B1 B1 B1 B2 B2 B2 B1 B2 B2 B2 B1 SC SC SC SC B1 PoP 12hr 5 30 30 10 30 20 5 5 Snow C C C C S $$ MDZ017-092100- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1002 AM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 38 31 49 34 44 Temp 35 36 33 32 33 33 34 41 47 48 44 43 41 37 35 40 43 42 35 Dewpt 16 22 24 27 27 28 29 32 34 35 36 35 33 31 27 25 21 21 21 RH 45 56 69 81 78 82 82 70 60 60 73 73 73 79 72 55 41 43 56 Wind dir S S SW SW SW SW SW S S SW SW SW W W W NW NW W NW Wind spd 4 8 10 11 11 12 12 14 16 16 13 13 11 11 10 12 12 10 9 Wind gust 20 24 Clouds B1 B1 SC SC SC FW B2 B1 B2 B2 B1 SC FW FW FW FW FW SC SC PoP 12hr 0 5 20 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 28 42 32 47 31 39 21 35 Temp 32 29 39 36 34 34 45 38 36 31 37 28 23 21 32 30 Dewpt 20 21 21 25 28 29 29 28 27 28 21 15 12 13 14 17 PWind dir NW W SW W NW NW N NW Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 B2 B1 B1 SC SC B1 SC SC FW FW FW SC PoP 12hr 5 20 20 5 30 20 5 5 Rain S C S Snow S S C S $$ WVZ502-092100- Petersburg WV 38.99N 79.15W Elev. 963 ft 1002 AM 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 40 29 52 26 37 Temp 37 40 33 30 32 33 36 45 49 49 41 38 33 29 26 32 36 35 30 Dewpt 17 18 22 24 24 25 27 33 35 34 33 30 25 22 19 19 18 18 19 RH 44 41 63 78 72 72 69 62 58 56 73 73 72 75 74 58 47 49 63 Wind dir S S S SW S S S SW SW SW W W W W W W W W W Wind spd 5 6 6 5 5 5 8 11 13 13 10 10 8 8 6 9 10 9 5 Wind gust 17 16 20 25 26 26 25 24 19 18 17 Clouds B1 B1 B1 B1 B1 B1 B2 B1 B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 PoP 12hr 0 10 60 40 10 QPF 12hr 0 0 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C L L C Snow 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 21 40 23 42 20 32 9 34 Temp 25 22 37 34 28 25 40 33 27 21 29 20 13 9 31 28 Dewpt 18 17 20 24 25 21 22 21 20 16 13 8 5 4 10 13 PWind dir W W W W W NW W S Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 PoP 12hr 10 40 20 10 30 10 5 10 Rain C S S Snow S C S S C $$ MDZ014-092100- Annapolis MD 38.99N 76.49W Elev. 7 ft 1002 AM EST Tue Dec 9 2025 Date Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 36 32 46 34 40 Temp 33 35 32 32 34 34 34 40 44 45 44 43 42 37 34 38 40 38 35 Dewpt 12 19 22 24 25 27 28 30 32 34 36 35 33 29 26 22 20 19 20 RH 41 52 66 72 69 75 78 67 62 65 73 73 70 72 72 52 44 46 54 Wind dir S S S SW SW SW S S S SW SW SW W W W W W W NW Wind spd 6 9 11 10 9 10 10 12 13 13 10 10 10 10 10 12 13 11 8 Wind gust 23 24 Clouds B1 SC SC B1 SC SC B1 B2 B2 B2 B1 SC SC FW SC SC SC SC SC PoP 12hr 0 10 40 10 0 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C C C Date Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 28 39 31 42 29 36 20 33 Temp 32 28 37 36 34 33 41 37 34 29 34 29 24 20 31 31 Dewpt 19 20 20 24 26 27 26 26 25 24 19 16 12 12 14 17 PWind dir W W SW W NW NW NW NW Wind char LT GN LT GN GN GN LT GN Avg clouds SC SC SC B1 B2 B1 B1 B1 B1 B1 SC SC FW FW FW SC PoP 12hr 5 20 30 10 30 20 5 5 Snow S C S C S $$