522
FOUS51 KLWX 170902
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
402 AM EST SAT JAN 17 2026
VAZ054-172100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
402 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
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 46 33 36 24 40
TEMP 36 38 42 45 40 37 36 36 34 35 35 34 31 29 27 25 25 32 38 38 32
DEWPT 20 22 30 32 31 30 29 28 28 25 22 20 17 12 11 11 12 14 12 10 10
RH 52 52 62 60 70 75 75 72 78 66 59 56 56 48 50 55 57 47 34 31 39
WIND DIR S SW SW SW SW SW N N N N N N NW NW W SW SW SW W W NW
WIND SPD 9 9 9 6 3 3 4 4 4 6 8 8 6 6 4 5 8 12 16 17 13
WIND GUST 21 19
CLOUDS OV OV B2 SC SC B1 B2 OV OV OV OV B2 SC FW SC SC FW FW FW FW FW
POP 12HR 50 30 40 10 0
QPF 12HR 0.04 0.01 0.03 0 0
SNOW 12HR 00-00 00-00 T
RAIN C S S C
SLEET S
SNOW S C C C C
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
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 18 28 18 41 31 44 27 38
TEMP 25 18 26 24 20 20 38 37 35 32 42 37 32 27 35 33
DEWPT 4 -1 -4 -3 -1 2 5 13 18 21 21 20 18 14 12 14
PWIND DIR NW NW SW S SW W NW NW
WIND CHAR GN GN LT BZ GN GN GN GN
AVG CLOUDS SC SC FW FW CL FW FW SC SC B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S S
SNOW S S
MDZ013-172100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
402 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
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 43 31 35 20 38
TEMP 34 36 40 43 38 35 34 34 33 33 34 33 30 25 23 22 22 30 37 36 30
DEWPT 21 25 31 33 31 30 29 28 28 25 22 20 17 14 12 11 12 14 15 13 12
RH 58 64 70 67 76 82 82 78 82 72 61 58 58 62 62 62 65 51 40 38 46
WIND DIR S SW SW SW SW W NW NW NW NW NW NW NW NW W W SW SW W W W
WIND SPD 5 6 9 4 2 2 3 3 4 5 8 6 6 3 2 2 3 8 11 10 8
WIND GUST 17 20
CLOUDS OV OV B2 B1 SC B1 B2 OV OV OV OV B2 SC FW SC SC FW FW FW FW FW
POP 12HR 70 30 40 5 0
QPF 12HR 0.09 0 0.02 0 0
SNOW 12HR 00-00 00-00 T
RAIN L C S
SLEET S
SNOW C L C C C C
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
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 15 27 15 39 29 43 24 36
TEMP 22 16 25 23 17 17 36 35 33 30 41 35 29 24 33 31
DEWPT 6 1 -1 -1 1 3 8 15 19 22 23 22 18 15 13 16
PWIND DIR W W W S SW W NW NW
WIND CHAR GN GN LT GN LT LT LT LT
AVG CLOUDS SC SC FW FW CL FW FW SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S
SNOW S S S
MDZ011-172100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
402 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
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 43 32 35 24 38
TEMP 34 36 40 43 38 36 35 35 33 34 34 34 30 29 26 25 24 31 37 36 32
DEWPT 21 24 30 32 30 29 28 27 26 24 21 19 17 12 10 10 11 11 10 9 9
RH 58 61 67 65 73 75 75 72 75 66 58 54 58 48 50 52 57 43 32 32 37
WIND DIR S S SW SW SW W NW NW NW NW NW NW NW NW W W SW SW SW W W
WIND SPD 4 5 8 4 2 2 3 3 3 4 6 6 5 2 2 2 2 6 11 10 6
WIND GUST 18
CLOUDS OV OV OV B1 SC B1 B2 OV OV OV OV B2 SC FW SC SC FW FW FW FW FW
POP 12HR 70 30 40 5 0
QPF 12HR 0.09 0 0.02 0 0
SNOW 12HR 00-00 00-00 T
RAIN L C
SLEET S
SNOW C L S C C C C
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
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 17 26 17 39 31 42 26 36
TEMP 24 17 24 23 19 18 37 37 35 31 41 36 31 26 34 32
DEWPT 4 -2 -5 -3 -1 1 5 12 18 20 19 19 17 13 10 13
PWIND DIR W W W S SW W NW NW
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC SC FW FW CL FW FW SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S
SNOW S S S
WVZ052-172100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
402 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
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 45 27 33 19 36
TEMP 31 36 43 44 36 33 31 31 29 31 31 31 25 23 21 20 19 29 35 34 27
DEWPT 20 28 29 26 24 24 23 22 19 15 12 11 9 7 7 7 8 9 9 6 5
RH 63 72 57 49 61 69 72 69 66 51 45 43 50 50 54 56 61 42 33 30 38
WIND DIR S S W W W W W NW NW NW NW NW W W W SW SW SW W W W
WIND SPD 6 8 9 9 4 4 4 5 5 8 9 10 5 2 2 4 5 10 14 16 11
WIND GUST 26
CLOUDS OV OV B2 SC SC SC B1 B2 B2 B2 B2 B1 FW FW SC SC FW FW SC SC FW
POP 12HR 50 10 20 5 0
QPF 12HR 0.04 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FRZG RAIN S
SLEET C
SNOW C S S S S
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
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 11 24 10 41 27 42 21 35
TEMP 19 12 22 19 12 12 37 35 32 28 40 33 28 22 32 29
DEWPT -1 -5 -7 -6 -3 -3 6 12 18 18 20 16 15 11 10 11
PWIND DIR W W SW S SW W NW W
WIND CHAR GN GN LT GN LT GN LT LT
AVG CLOUDS SC FW FW FW FW FW SC SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 5 10 20 20 20
RAIN S S S
SNOW S S S
VAZ506-172100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
402 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
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 46 31 35 20 39
TEMP 35 36 43 45 38 35 33 33 32 33 33 32 28 25 23 21 22 30 37 37 30
DEWPT 18 26 31 31 29 29 28 27 25 22 19 16 15 12 11 12 13 14 13 12 11
RH 49 67 62 58 70 78 82 78 75 63 56 51 58 57 59 68 68 51 37 35 44
WIND DIR S S SW W SW NW NW N N N NW NW NW NW W SW SW SW W W NW
WIND SPD 10 11 9 6 3 3 3 4 5 6 8 9 5 3 2 2 4 9 12 12 10
WIND GUST 24
CLOUDS OV OV B1 SC SC SC B2 OV OV OV OV B2 SC FW SC SC FW FW FW FW FW
POP 12HR 50 20 30 5 0
QPF 12HR 0.04 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN C C
SLEET S
SNOW C C S S
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
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 14 28 13 40 29 44 24 36
TEMP 21 14 25 22 15 15 37 37 33 29 42 35 29 24 34 31
DEWPT 4 -1 -3 0 0 1 7 14 19 21 23 21 19 15 14 16
PWIND DIR NW NW SW S SW W NW NW
WIND CHAR GN GN LT GN GN LT LT LT
AVG CLOUDS SC SC FW FW CL FW FW SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 10
RAIN S S
SNOW S S
VAZ037-172100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
402 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
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 48 32 37 20 41
TEMP 34 37 45 47 39 36 35 35 33 34 36 35 29 26 24 22 22 31 39 39 32
DEWPT 18 26 29 26 25 25 25 27 26 24 19 17 15 10 9 9 9 9 8 7 6
RH 51 64 53 43 57 64 66 72 75 66 50 47 55 50 52 57 57 39 27 26 33
WIND DIR S SW SW SW SW W W W NW N W NW NW W W SW SW SW W W W
WIND SPD 8 10 10 9 4 2 2 3 3 3 4 5 4 2 3 4 5 10 11 10 6
WIND GUST 23 20 23 20
CLOUDS OV B2 B1 SC SC B1 B2 OV B2 OV B2 B1 SC FW SC FW CL CL CL FW FW
POP 12HR 40 20 30 5 0
QPF 12HR 0 0 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN S C
SLEET S
SNOW C C C C C
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
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 15 29 14 43 28 47 25 39
TEMP 24 16 27 23 17 16 40 38 33 29 44 37 31 26 37 33
DEWPT 2 -2 -9 -6 -4 -2 4 11 16 18 20 20 19 16 12 15
PWIND DIR W W SW S SW SW NW SW
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC SC CL CL CL FW FW FW SC B1 B1 B1 SC SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S S
SNOW S S
MDZ003-172100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
402 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
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 43 27 31 19 34
TEMP 32 34 41 42 35 32 31 31 29 30 30 29 24 23 22 21 21 29 33 32 26
DEWPT 21 28 30 27 25 25 24 23 20 17 13 11 10 10 10 9 10 12 12 9 8
RH 63 78 65 55 66 75 75 72 69 58 49 46 54 57 59 59 62 48 41 37 46
WIND DIR S S SW W SW SW W W NW NW NW W W W W SW SW SW W W W
WIND SPD 8 9 9 9 5 4 4 4 5 8 9 9 6 3 3 5 5 11 16 13 10
WIND GUST 27 25 20
CLOUDS OV OV B2 SC SC B1 B1 B2 B2 B2 B2 B1 SC SC SC B1 FW SC SC SC SC
POP 12HR 60 10 20 5 0
QPF 12HR 0.07 0 0 0 0
SNOW 12HR T 00-00 00-00
FRZG RAIN S
SLEET S
SNOW L S S S S
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
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 11 23 11 39 28 39 21 33
TEMP 18 11 20 18 13 13 34 35 32 28 38 32 27 21 30 28
DEWPT 2 -3 -4 -3 -1 -1 7 14 21 20 22 20 16 11 11 13
PWIND DIR W W SW S SW W NW W
WIND CHAR GN GN LT GN LT GN LT LT
AVG CLOUDS SC SC FW FW FW FW SC B1 B2 B2 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 5 5 20 20 20
RAIN S S S
SNOW S S S
MDZ017-172100-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
402 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
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 47 34 37 22 42
TEMP 37 42 45 45 41 39 38 38 36 36 35 34 31 28 26 24 24 34 40 40 33
DEWPT 22 23 29 32 33 33 33 33 32 32 28 27 24 17 16 15 16 17 16 17 19
RH 54 46 53 60 73 79 82 82 85 85 75 75 75 63 65 68 71 49 37 39 56
WIND DIR S SW SW SW SW SW W NW N N N N NW NW NW W SW SW SW W W
WIND SPD 12 12 12 8 5 4 4 5 6 8 9 9 9 5 5 5 6 10 12 10 9
WIND GUST 25 23
CLOUDS B2 B2 B2 SC SC B1 B2 OV OV OV OV OV B2 SC SC SC FW CL FW CL FW
POP 12HR 20 60 70 20 0
QPF 12HR 0.01 0.05 0.14 0 0
SNOW 12HR 00-00 00-00 1
RAIN S C L L L
SNOW S L L L S S
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
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 19 31 19 42 31 47 27 39
TEMP 26 20 28 25 21 22 40 36 35 32 45 38 34 28 38 31
DEWPT 12 6 2 4 7 9 11 18 21 24 27 27 23 19 17 19
PWIND DIR NW NW W S SW W NW NW
WIND CHAR GN GN LT GN GN GN LT LT
AVG CLOUDS SC SC FW FW CL CL FW FW SC B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S S S
SNOW S
WVZ502-172100-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
402 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
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 44 24 30 16 34
TEMP 33 39 43 42 35 32 30 28 25 27 29 28 22 19 19 18 18 27 32 32 24
DEWPT 25 29 26 23 24 23 22 19 16 14 11 9 9 9 8 7 8 11 11 9 6
RH 72 67 51 46 64 69 72 68 68 57 46 44 57 64 61 61 64 50 41 37 45
WIND DIR S SW W W SW SW SW W W W W W W SW SW SW SW W W W W
WIND SPD 5 6 11 9 4 3 3 3 3 5 8 6 4 3 3 4 5 10 14 13 6
WIND GUST 17 23 19 24 28 27 19
CLOUDS B2 B1 B1 SC SC B1 B1 B1 B2 B2 B1 SC FW SC SC SC FW SC SC SC SC
POP 12HR 20 10 10 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN
SNOW S
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
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 8 23 10 46 27 43 20 39
TEMP 14 8 21 17 12 12 44 39 33 28 40 33 25 20 36 32
DEWPT 0 -4 -5 -3 -3 1 12 20 23 22 22 20 16 12 12 15
PWIND DIR W W SW SW SW W W W
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC SC FW FW FW FW FW SC B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 0 5 10 20 20 10
FRZG RAIN S
RAIN S S S
MDZ014-172100-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
402 AM EST SAT JAN 17 2026
DATE SAT 01/17/26 SUN 01/18/26 MON 01/19/26
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 44 32 36 24 38
TEMP 37 39 40 43 38 36 36 35 34 34 35 34 31 28 26 25 24 31 37 37 32
DEWPT 21 23 30 32 32 31 31 30 29 27 24 22 19 16 14 13 14 15 14 14 14
RH 52 52 67 65 79 82 82 82 82 75 64 61 61 60 60 60 65 51 38 38 47
WIND DIR S S SW SW S W NW N N N N N NW NW NW W SW SW SW W W
WIND SPD 10 10 9 5 3 3 3 3 4 6 8 8 8 4 3 3 5 9 11 10 8
WIND GUST 20 20
CLOUDS OV OV B2 SC SC B1 B2 OV OV OV OV B2 B1 FW SC SC FW FW FW FW FW
POP 12HR 60 40 50 10 0
QPF 12HR 0.04 0.01 0.06 0 0
SNOW 12HR 00-00 00-00 1
RAIN C C S S
SNOW S C C C C
DATE TUE 01/20/26 WED 01/21/26 THU 01/22/26 FRI 01/23/26
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 18 26 17 39 31 42 26 36
TEMP 25 18 25 24 19 19 37 37 35 31 41 36 32 26 33 32
DEWPT 8 3 0 2 4 7 9 16 21 22 22 24 20 17 13 17
PWIND DIR NW NW W S SW W NW NW
WIND CHAR GN GN LT GN GN LT LT LT
AVG CLOUDS SC SC FW FW CL FW FW SC SC B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 5 20 20 20
RAIN S S S S S
SNOW S S S
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page