Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
097 FOUS51 KLWX 222338 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 638 PM EST Fri Nov 22 2024 VAZ054-230900- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 638 PM EST Fri Nov 22 2024 Date 11/22/24 Sat 11/23/24 Sun 11/24/24 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 39 53 42 57 38 Temp 40 40 41 40 39 47 52 52 48 47 45 44 43 50 55 56 49 45 43 40 44 Dewpt 36 35 34 34 33 36 38 40 39 38 37 37 37 37 37 37 38 39 38 38 38 RH 85 82 76 79 79 65 59 63 71 71 73 76 79 61 51 49 66 79 82 92 79 Wind dir W W NW NW NW NW NW NW W W W W W W W W NW W W SW SW Wind spd 16 16 14 14 12 14 18 17 13 13 11 10 10 11 10 8 5 2 2 2 3 Wind gust 25 26 29 Clouds OV OV B1 SC FW SC SC B1 SC SC SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 70 0 0 0 0 QPF 12hr 0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S Date 11/25 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 Fri 11/29/24 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 53 63 39 52 40 49 40 49 Temp 62 57 57 56 61 50 44 41 50 45 42 42 47 44 42 42 46 42 Dewpt 41 43 46 47 40 32 29 27 27 29 31 31 34 35 36 34 31 28 PWind dir S SW W NW W NW NE N NW Wind char LT GN BZ GN GN LT GN GN GN Avg clouds FW SC B2 B2 B1 FW SC SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 0 40 10 0 5 30 40 50 30 Rain shwrs C C C C C C C C $$ MDZ013-230900- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 638 PM EST Fri Nov 22 2024 Date 11/22/24 Sat 11/23/24 Sun 11/24/24 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 38 53 41 56 36 Temp 38 38 40 38 38 45 51 52 47 44 44 42 42 49 54 55 46 43 39 37 38 Dewpt 36 35 34 33 33 37 39 41 40 39 37 37 37 37 37 37 38 37 37 36 37 RH 92 89 79 82 82 73 63 66 76 82 76 82 82 63 52 51 73 79 92 96 96 Wind dir W W NW NW NW NW NW NW W W W W W W W W W W W W W Wind spd 14 12 12 12 12 14 17 14 11 10 9 9 8 10 11 8 3 2 2 2 2 Wind gust 26 25 26 26 28 28 21 Clouds OV OV B2 SC FW SC SC B1 SC SC SC SC SC SC SC SC SC SC SC FW FW PoP 12hr 70 0 0 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S Snowshwrs Date 11/25 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 Fri 11/29/24 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 49 62 34 50 35 47 35 47 Temp 59 53 51 50 59 48 40 36 49 42 37 37 45 42 38 36 45 39 Dewpt 44 45 46 48 42 33 28 27 27 29 30 31 36 36 35 33 33 30 PWind dir SW SW W W W W E N NW Wind char LT LT GN LT LT LT LT LT GN Avg clouds FW SC B2 B2 B1 FW FW SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 0 50 10 0 5 30 40 50 30 Rain shwrs C C C C C C C C $$ MDZ011-230900- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 638 PM EST Fri Nov 22 2024 Date 11/22/24 Sat 11/23/24 Sun 11/24/24 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 38 54 46 57 43 Temp 39 39 40 39 39 47 52 52 49 49 48 46 47 52 56 57 48 49 44 44 44 Dewpt 35 35 34 33 33 36 39 39 40 38 36 37 37 34 35 35 36 37 36 36 37 RH 85 85 79 79 79 65 61 61 71 66 63 71 68 50 45 43 63 63 73 73 76 Wind dir W W NW NW NW NW NW NW W W W W W W W W W W NW NW W Wind spd 14 12 12 12 12 14 17 16 11 10 9 9 9 11 11 9 2 2 1 1 2 Wind gust 26 27 27 23 27 28 29 23 21 19 19 Clouds OV OV B2 SC FW SC SC B1 SC SC SC SC SC SC SC SC SC SC SC FW FW PoP 12hr 70 0 0 0 0 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S Snowshwrs Date 11/25 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 Fri 11/29/24 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 52 63 39 53 40 49 39 48 Temp 62 55 56 55 61 49 44 41 51 43 42 41 47 43 42 41 47 40 Dewpt 41 44 45 46 40 32 28 26 25 27 30 31 34 34 34 33 30 28 PWind dir SW SW W W W NW E N NW Wind char LT LT GN LT GN LT LT LT GN Avg clouds FW SC B2 B2 B1 FW FW SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 0 50 20 0 0 30 40 50 30 Rain shwrs C S C C C C C C C $$ WVZ052-230900- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 638 PM EST Fri Nov 22 2024 Date 11/22/24 Sat 11/23/24 Sun 11/24/24 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 38 51 39 54 33 Temp 39 39 39 39 38 48 51 50 46 45 43 41 40 47 51 53 45 41 37 35 34 Dewpt 35 35 35 35 33 39 39 39 38 36 36 35 34 35 35 34 34 34 34 32 32 RH 85 85 85 85 82 71 63 66 73 70 76 79 79 63 54 48 65 76 89 89 92 Wind dir W NW NW NW NW NW NW W W W W W W W W NW NW N N N SW Wind spd 16 14 13 12 10 14 18 14 10 10 9 8 9 10 11 5 1 0 0 0 1 Wind gust 29 28 26 28 32 27 23 Clouds OV OV B2 B2 B1 B2 B2 B1 SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 70 5 0 0 0 QPF 12hr 0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S Snowshwrs Date 11/25 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 Fri 11/29/24 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 60 46 57 32 48 32 44 31 43 Temp 57 53 51 48 53 44 38 33 45 39 35 33 42 39 36 33 41 36 Dewpt 39 43 46 44 36 30 26 24 25 27 28 29 32 32 32 30 28 26 PWind dir S SW W W W NW E N NW Wind char LT LT GN LT LT LT LT LT GN Avg clouds SC B2 B2 B2 B1 FW SC SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 5 50 5 0 5 40 50 50 30 Rain shwrs C C S C C C C C C C $$ VAZ506-230900- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 638 PM EST Fri Nov 22 2024 Date 11/22/24 Sat 11/23/24 Sun 11/24/24 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 37 53 40 56 34 Temp 39 41 40 39 38 47 51 51 46 44 43 41 40 49 54 55 47 43 40 36 35 Dewpt 35 35 35 34 34 38 39 40 39 38 36 36 36 37 39 37 38 38 37 35 35 RH 85 79 82 82 85 71 63 66 76 79 76 82 85 63 57 51 71 82 89 96100 Wind dir W NW NW NW NW NW NW NW W W W W W W W W NW W W SW SW Wind spd 17 17 16 13 12 18 19 17 11 10 8 8 6 9 10 5 2 1 1 1 2 Wind gust 26 28 32 29 Clouds OV OV B1 SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC FW FW PoP 12hr 60 5 0 0 0 QPF 12hr 0.08 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S Date 11/25 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 Fri 11/29/24 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 63 49 61 34 50 35 46 35 46 Temp 59 55 52 50 58 47 40 34 48 42 37 35 44 41 37 35 44 38 Dewpt 44 45 47 48 41 32 29 27 29 30 30 31 37 36 35 33 33 30 PWind dir S SW W NW W SW SE N NW Wind char LT GN GN LT LT LT LT LT GN Avg clouds FW B1 B2 B2 B1 SC SC SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 0 40 10 0 5 30 50 50 30 Rain shwrs C C C C C C C C $$ VAZ037-230900- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 638 PM EST Fri Nov 22 2024 Date 11/22/24 Sat 11/23/24 Sun 11/24/24 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 40 55 37 60 37 Temp 43 43 44 43 41 50 54 53 46 43 42 40 38 49 58 58 51 46 42 40 39 Dewpt 28 30 32 34 34 37 37 36 35 33 33 34 34 33 33 35 37 36 34 33 34 RH 55 60 62 70 76 61 52 52 65 67 70 79 85 54 39 42 59 68 73 76 82 Wind dir W W W W W NW NW W W W W W SW W SW SW SW W W W W Wind spd 12 11 10 10 8 13 14 11 6 8 5 5 3 4 6 5 4 3 2 2 2 Wind gust 26 Clouds B2 SC SC SC SC SC SC SC SC SC SC FW SC SC FW FW SC SC FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date 11/25 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 Fri 11/29/24 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 49 63 33 52 35 47 35 48 Temp 63 58 52 52 60 49 39 34 50 43 39 37 44 42 39 36 46 39 Dewpt 40 45 46 45 37 30 27 26 26 28 30 31 33 34 34 31 28 25 PWind dir SW SW W W SW S S N NW Wind char LT GN GN LT LT LT LT LT GN Avg clouds FW SC B1 B1 SC FW SC SC SC SC B2 B2 B2 B2 B2 B1 B1 SC PoP 12hr 0 30 5 0 5 30 50 50 30 Rain shwrs C S C C C C C C C $$ MDZ003-230900- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 638 PM EST Fri Nov 22 2024 Date 11/22/24 Sat 11/23/24 Sun 11/24/24 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 36 50 38 53 31 Temp 38 38 39 38 37 46 49 50 46 43 42 41 39 47 50 51 42 39 37 33 34 Dewpt 37 36 35 34 33 38 40 41 39 39 37 37 36 39 38 37 36 36 35 33 32 RH 96 92 85 85 85 73 71 71 76 86 82 85 89 74 63 59 79 89 92100 92 Wind dir W NW NW NW NW NW NW NW W W W W W W W W NW W W N SW Wind spd 14 13 11 10 11 14 17 17 10 10 6 8 8 10 10 5 1 2 1 0 2 Wind gust 27 26 25 21 27 31 28 24 20 18 19 20 20 Clouds OV OV B2 B1 B1 B1 B2 B1 SC B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 60 5 0 0 0 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C Snowshwrs Date 11/25 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 Fri 11/29/24 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 58 46 56 31 47 32 43 32 42 Temp 56 53 50 48 53 44 36 32 44 39 35 33 41 39 35 33 40 36 Dewpt 41 44 47 46 39 31 26 24 26 27 28 29 33 33 32 30 31 28 PWind dir SW S W W W SW E N NW Wind char LT LT GN LT LT LT LT LT GN Avg clouds SC B2 B2 B2 SC FW FW SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 5 50 5 0 5 30 50 50 30 Rain shwrs C C S C C C C C C C Snowshwrs C $$ MDZ017-230900- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 638 PM EST Fri Nov 22 2024 Date 11/22/24 Sat 11/23/24 Sun 11/24/24 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 38 56 43 60 44 Temp 41 42 43 42 41 47 53 53 49 46 45 45 43 52 58 58 51 48 47 45 46 Dewpt 35 35 35 35 36 36 39 40 39 38 36 36 37 37 37 38 40 39 39 40 41 RH 79 76 73 76 82 65 59 61 68 73 70 70 79 56 45 47 66 71 74 82 83 Wind dir W W W NW NW NW NW NW W W W W W W W W W W W W SW Wind spd 20 19 18 19 17 18 17 18 14 13 11 10 9 9 10 6 4 5 5 5 5 Wind gust 34 33 31 29 27 Clouds OV OV B1 SC FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW CL FW PoP 12hr 70 0 0 0 0 QPF 12hr 0.08 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C Date 11/25 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 Fri 11/29/24 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 52 65 39 53 40 53 40 50 Temp 61 55 55 55 62 51 44 40 51 45 43 43 50 46 44 42 48 42 Dewpt 44 45 46 49 46 36 31 30 29 32 32 34 39 41 39 37 36 33 PWind dir S SW W NW NW SW E N NW Wind char GN GN GN GN GN LT GN GN GN Avg clouds FW SC B1 B1 B1 SC SC SC FW SC B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 0 30 20 0 0 20 40 50 30 Rain shwrs C S S C C C C C C $$ WVZ502-230900- Petersburg WV 38.99N 79.15W Elev. 963 ft 638 PM EST Fri Nov 22 2024 Date 11/22/24 Sat 11/23/24 Sun 11/24/24 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 35 49 34 55 32 Temp 37 40 40 39 38 43 47 47 42 39 38 35 34 43 52 52 43 38 35 34 36 Dewpt 31 33 34 35 34 36 37 36 35 35 35 32 31 34 35 35 34 32 29 27 29 RH 79 76 79 85 85 76 68 65 76 85 89 89 89 70 52 52 70 79 78 75 75 Wind dir W W NW NW NW W W W W W W W W W W W W SW SW SW SW Wind spd 13 11 10 10 8 12 13 11 9 9 6 6 5 5 5 4 3 3 2 3 3 Wind gust 28 26 23 23 19 23 24 23 20 Clouds B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 80 30 20 0 0 QPF 12hr 0.10 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L L C C S C S Snowshwrs S C Date 11/25 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 Fri 11/29/24 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 63 41 56 26 50 28 46 29 44 Temp 59 55 50 45 51 41 32 27 47 38 32 29 42 39 33 30 41 34 Dewpt 46 47 48 44 36 29 25 22 25 27 27 27 33 33 32 27 29 25 PWind dir SW SW W W W SW S NW W Wind char LT LT GN LT LT LT LT LT GN Avg clouds B1 B2 B2 B2 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 20 60 10 0 5 40 50 50 40 Rain shwrs S C L S C C C C C C C Snowshwrs S S C C $$ MDZ014-230900- Annapolis MD 38.99N 76.49W Elev. 7 ft 638 PM EST Fri Nov 22 2024 Date 11/22/24 Sat 11/23/24 Sun 11/24/24 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 38 53 44 54 43 Temp 38 40 40 39 39 46 52 52 47 47 47 45 45 50 54 54 49 48 45 44 44 Dewpt 35 35 34 33 33 36 39 40 40 39 38 37 38 36 37 37 39 40 40 40 40 RH 89 82 79 79 79 68 61 63 76 74 71 73 76 58 52 52 68 74 82 86 86 Wind dir W W NW NW NW NW NW NW W W W W W W W W W W W W SW Wind spd 16 14 14 13 12 14 17 14 12 11 10 10 9 10 11 9 3 2 2 2 2 Wind gust 28 29 29 25 24 28 23 Clouds OV OV B2 SC FW SC SC B1 SC SC SC SC SC SC SC FW SC FW FW FW FW PoP 12hr 70 0 0 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C Date 11/25 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 Fri 11/29/24 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 60 51 61 39 49 40 47 38 46 Temp 57 54 55 53 58 49 44 40 47 43 42 41 45 43 42 40 45 41 Dewpt 44 47 47 48 43 35 32 30 29 32 33 34 36 38 37 35 33 32 PWind dir SW SW W NW W W E N NW Wind char LT GN GN GN GN LT GN LT GN Avg clouds FW SC B1 B2 B1 FW FW SC SC SC B1 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 0 40 20 0 0 30 40 50 30 Rain shwrs C S C C C C C C C $$