Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
635 FOUS51 KLWX 172037 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 PM EDT Tue Jun 17 2025 VAZ054-180800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 PM EDT Tue Jun 17 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 72 91 76 93 69 Temp 80 78 74 73 73 74 84 89 88 84 80 77 76 78 87 92 89 81 76 72 70 72 Dewpt 73 72 72 72 72 73 73 72 73 72 73 72 72 71 71 70 70 69 68 66 64 64 RH 79 82 93 97 97 97 70 57 61 67 79 85 87 79 59 49 54 67 76 81 81 76 Wind dir S SE SE S S SW SW SW W SW SW SW SW SW SW SW SW W W W W NW Wind spd 8 8 6 5 5 6 9 10 10 8 6 8 9 9 11 12 13 11 9 8 8 8 Clouds B2 B2 B1 B2 B1 B1 FW SC B1 SC FW FW FW FW FW B1 B1 B2 B1 SC FW FW PoP 12hr 50 60 10 70 30 QPF 12hr 0.25 0.25 0 0.26 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S C L L L C C Tstms C C C C C C C S Heat index 84 90 96 96 90 84 93 98 94 84 Max heat 86 96 98 87 98 98 Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 70 91 74 95 78 98 79 99 Temp 83 81 72 75 88 85 76 78 92 88 80 82 95 91 82 84 97 91 Dewpt 61 63 65 66 65 66 68 69 69 70 72 73 71 72 73 73 70 71 PWind dir NW SW SW S SW W NW W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC FW FW SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 5 5 $$ MDZ013-180800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 PM EDT Tue Jun 17 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 91 73 94 67 Temp 79 77 73 72 71 73 84 90 87 83 78 75 73 76 88 93 90 80 74 70 67 69 Dewpt 72 72 71 71 71 73 74 74 74 74 73 73 71 73 72 72 71 70 68 65 64 64 RH 79 85 93 97100100 72 60 65 74 85 94 93 90 59 51 54 72 82 84 90 84 Wind dir SE SE S S S SW SW SW W SW SW SW SW SW SW SW SW W W W W NW Wind spd 5 4 3 2 2 3 5 8 8 4 2 3 4 5 8 10 10 8 5 4 4 5 Clouds B2 B1 B2 OV B2 B2 SC SC B1 FW SC FW FW FW FW B2 B2 B2 B1 SC SC FW PoP 12hr 60 70 10 70 30 QPF 12hr 0.24 0.55 0 0.25 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L C S S S C L L L C C Tstms C C S C C C C S Heat index 91 99 95 90 95101 96 83 Max heat 85 99 98 85 101 101 Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 68 91 73 95 76 98 79 99 Temp 84 81 71 73 88 84 75 76 92 88 78 80 95 92 81 83 97 92 Dewpt 63 65 65 67 66 67 68 71 71 72 72 74 73 73 74 75 72 73 PWind dir W W SW S SW W NW W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 5 5 $$ MDZ011-180800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 PM EDT Tue Jun 17 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 75 94 77 97 72 Temp 82 79 78 75 75 77 86 92 90 85 83 78 78 80 91 96 93 81 79 74 72 74 Dewpt 69 70 71 71 71 72 72 71 72 72 72 71 71 71 70 69 68 67 66 65 63 62 RH 65 74 79 87 87 85 63 51 56 65 70 79 79 74 50 42 44 63 64 74 73 66 Wind dir SE SE S S S S SW SW W SW SW SW SW SW SW SW SW W W W W NW Wind spd 5 4 2 2 2 2 4 6 8 3 2 2 3 5 8 10 10 8 5 4 4 4 Clouds B2 B2 B2 OV B2 B2 SC B1 B1 FW SC FW FW FW FW B2 B2 B1 B1 SC SC FW PoP 12hr 70 70 10 70 30 QPF 12hr 0.23 0.54 0 0.29 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L C S S S L L L L C C Tstms C C S S S C C C C Heat index 85 92 99 97 91 88 83 97102 97 83 Max heat 88 99 101 90 83 102 102 82 Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 73 94 77 98 81 101 82 102 Temp 88 83 75 78 91 85 79 81 95 89 82 84 98 92 85 86 99 92 Dewpt 60 62 64 65 64 64 67 68 69 69 72 73 71 70 72 73 70 69 PWind dir NW W SW S W W NW W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 5 5 $$ WVZ052-180800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 PM EDT Tue Jun 17 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 87 70 88 63 Temp 78 75 71 70 69 72 79 83 85 82 75 72 70 75 84 87 84 77 71 66 64 68 Dewpt 71 70 70 70 69 69 70 71 71 71 70 69 68 68 70 68 67 64 64 62 61 61 RH 79 84 97100100 90 74 67 63 69 84 90 93 79 63 53 57 64 79 87 90 78 Wind dir SE SE S SW SW S SW W W SW SW SW SW SW SW W W W W W W NW Wind spd 6 4 2 2 2 2 4 6 6 3 2 4 5 6 10 11 12 8 5 5 4 5 Clouds B2 B1 SC B1 B1 B1 SC B2 SC FW SC FW FW SC SC B1 B1 B1 SC SC FW FW PoP 12hr 70 70 5 70 20 QPF 12hr 0.23 0.21 0 0.06 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L S C S S C L S S S L L S S Tstms C C S C C S C S Heat index 88 90 86 88 91 87 Max heat 85 88 91 91 91 Flood A A Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 63 89 69 94 71 96 74 97 Temp 81 78 67 70 86 82 73 75 91 86 75 77 93 89 77 79 94 88 Dewpt 60 63 62 63 64 67 67 67 68 71 71 71 70 72 71 71 70 72 PWind dir NW W S SW W W NW W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 5 5 5 10 $$ VAZ506-180800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 PM EDT Tue Jun 17 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 70 90 72 93 65 Temp 82 78 74 72 70 73 83 88 86 82 77 74 72 76 87 92 87 78 73 68 65 68 Dewpt 75 75 73 72 70 73 76 75 75 75 73 72 71 73 75 73 72 71 68 65 64 65 RH 79 91 97100100100 80 66 70 79 87 93 97 90 68 54 61 79 84 90 97 90 Wind dir S SE SE S S SW SW SW W SW SW SW SW SW SW SW W W W W NW NW Wind spd 6 5 3 3 3 3 5 9 8 4 4 4 5 5 9 10 10 8 5 5 5 5 Clouds B2 B2 B1 B2 B1 B1 FW B1 SC FW FW FW FW FW FW B2 B2 B2 SC SC SC FW PoP 12hr 50 70 5 70 30 QPF 12hr 0.39 0.39 0 0.25 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S L C L L C C Tstms C C S C C C C Heat index 89 91 98 95 89 96101 94 Max heat 89 98 100 101 100 Flood A A Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 66 90 71 95 74 98 77 99 Temp 83 80 69 71 88 84 74 76 93 88 77 80 95 91 80 82 97 91 Dewpt 64 67 65 67 67 69 69 71 72 74 72 74 74 76 74 76 74 75 PWind dir NW SW SW S W W NW W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 5 5 5 5 $$ VAZ037-180800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 PM EDT Tue Jun 17 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 90 71 91 65 Temp 83 80 75 72 70 73 83 88 88 82 77 73 72 75 85 89 86 79 74 68 66 68 Dewpt 71 71 71 70 70 70 70 69 69 69 69 69 68 69 69 68 67 66 66 64 63 64 RH 67 74 87 93100 90 65 54 54 65 76 87 87 82 59 50 53 64 76 87 90 87 Wind dir SW S SW S SW SW SW SW W SW SW SW SW SW SW SW SW SW W W W NW Wind spd 5 4 2 3 3 5 8 10 10 6 5 5 5 6 9 10 9 6 4 2 2 2 Wind gust 19 Clouds B2 SC B1 B1 SC FW FW FW SC FW FW FW FW FW FW B1 B1 B1 SC SC FW FW PoP 12hr 30 50 5 70 20 QPF 12hr 0.04 0.05 0 0.15 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S C S C L L S S Tstms L S S S C C C S Heat index 88 83 87 92 92 85 89 93 89 Max heat 89 92 94 93 93 Flood A A Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 66 90 69 95 71 97 74 97 Temp 83 79 69 71 87 82 72 74 92 85 75 77 94 87 77 79 94 88 Dewpt 61 64 63 65 65 66 66 68 68 70 69 71 69 72 69 71 70 71 PWind dir NW NW S SW SW W NE W E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW SC FW FW FW FW FW CL CL FW FW FW FW PoP 12hr 5 0 5 0 5 0 5 5 5 $$ MDZ003-180800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 PM EDT Tue Jun 17 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 69 87 70 89 63 Temp 80 76 72 71 69 72 79 82 85 82 75 72 70 75 84 88 83 76 70 66 63 67 Dewpt 72 72 71 71 69 72 73 73 73 73 72 71 69 71 72 71 70 66 65 63 61 63 RH 77 87 97100100100 82 74 67 74 90 97 97 87 67 57 65 71 84 90 93 87 Wind dir S S S S S S SW SW W SW SW S S SW SW W W W W W NW NW Wind spd 5 5 3 3 2 2 5 6 6 4 3 4 5 6 10 11 11 8 5 5 4 4 Clouds B2 B2 B2 B2 B2 B1 B1 B2 SC FW SC FW FW SC SC B1 B1 B1 SC SC FW FW PoP 12hr 70 80 5 70 20 QPF 12hr 0.19 0.22 0 0.09 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C S C C D C S S L L S S Tstms C C S S C L C S C S Heat index 84 87 92 87 90 94 87 Max heat 84 87 93 94 93 Flood A A Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 64 89 70 95 72 97 75 97 Temp 81 78 67 70 86 82 73 75 91 87 75 78 93 89 78 81 94 90 Dewpt 63 65 63 65 67 69 68 70 71 73 71 73 73 74 74 75 73 74 PWind dir NW W SW S W W NW W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 5 5 $$ MDZ017-180800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 PM EDT Tue Jun 17 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 93 77 95 70 Temp 80 78 74 74 73 77 86 91 91 85 81 79 77 80 88 93 94 86 76 73 71 74 Dewpt 73 72 72 72 72 75 75 74 73 74 73 72 72 73 73 73 72 72 69 68 66 66 RH 79 82 93 93 97 94 70 58 56 70 77 79 85 79 61 52 49 63 79 84 84 76 Wind dir SE SE S S SW SW SW SW SW SW SW SW SW SW SW SW SW W W W W NW Wind spd 9 6 5 5 5 8 9 11 11 5 5 8 9 10 11 12 12 9 5 5 5 5 Clouds SC SC B1 B1 SC SC FW FW SC FW FW FW FW FW FW B1 B1 B1 B1 SC SC FW PoP 12hr 40 40 10 60 50 QPF 12hr 0.01 0.09 0 0.13 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S C L L C C Tstms C C S C C C C Heat index 84 95101100 93 86 84 96102102 92 Max heat 87 101 102 89 84 102 104 86 Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 70 89 73 93 76 95 78 96 Temp 84 80 72 75 86 82 75 78 90 85 78 81 92 87 80 83 93 88 Dewpt 65 68 66 68 68 69 68 71 72 73 72 73 74 75 74 76 75 75 PWind dir NW SW S S SW SW NW SW N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL FW FW FW FW SC FW FW FW FW FW FW CL CL CL CL CL PoP 12hr 5 0 0 5 0 5 0 5 5 $$ WVZ502-180800- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 PM EDT Tue Jun 17 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 65 88 68 89 60 Temp 84 79 71 67 66 69 80 84 86 82 73 70 69 72 83 87 83 75 68 64 60 64 Dewpt 73 72 69 67 66 69 70 71 70 70 69 68 66 68 69 68 67 66 64 61 60 62 RH 70 79 93100100100 72 65 59 67 87 93 90 87 63 53 59 74 87 90100 93 Wind dir SW E E E E E SW W W SW SW SW SW SW W W W W W W W W Wind spd 5 3 3 2 2 3 5 6 8 4 4 4 5 5 8 10 9 5 4 2 2 2 Clouds SC SC B1 SC FW SC B1 B1 SC FW FW FW FW B1 SC B2 B2 B1 SC SC FW FW PoP 12hr 50 60 10 70 20 QPF 12hr 0.05 0.06 0 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S C L L C C C L L S S Tstms C C S S C C C S C C Heat index 90 83 89 91 86 87 91 86 Max heat 90 89 92 91 91 Flood A A Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 60 92 66 96 68 98 70 98 Temp 83 76 64 67 89 81 70 71 93 85 72 74 95 87 74 75 95 85 Dewpt 61 65 61 63 64 69 65 67 68 72 69 70 69 74 70 71 70 74 PWind dir NW SW S SW W W NW W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 0 5 5 10 $$ MDZ014-180800- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 PM EDT Tue Jun 17 2025 Date 06/17/25 Wed 06/18/25 Thu 06/19/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 88 75 90 70 Temp 77 76 74 73 72 74 81 85 85 81 79 77 75 78 84 87 88 81 75 72 70 72 Dewpt 71 72 72 72 72 73 74 74 73 73 74 73 71 72 72 72 71 70 69 67 64 64 RH 82 87 93 97100 97 79 70 67 77 85 87 87 82 67 61 57 69 82 84 81 76 Wind dir S S S S S SW SW SW W SW SW SW SW SW SW SW SW W W W W NW Wind spd 8 5 5 4 3 4 6 10 9 4 3 5 5 6 10 11 11 9 5 5 5 5 Clouds SC B1 B2 B2 B2 B1 SC SC B1 FW SC FW FW FW FW B1 B1 B1 B1 SC SC FW PoP 12hr 60 60 10 70 40 QPF 12hr 0.25 0.40 0 0.22 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L C S S C C L L C C Tstms C C C C C C C S Heat index 86 93 92 86 90 94 94 85 Max heat 93 95 94 95 Date 06/20 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 06/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 70 86 73 90 76 92 78 94 Temp 81 80 72 75 83 82 75 77 87 85 78 80 90 87 80 82 91 88 Dewpt 64 65 67 67 67 68 70 70 72 72 73 73 74 74 74 74 73 73 PWind dir NW SW S S SW SW SE W SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 0 5 5 $$