Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 25MAY 2026 Clouds Bases and Tops are now agl HR Valid 2m Tmp 2m Dpt 10m Dir 10m Spd TPrcp CPrcp 1000-500 500mb 850mb 500mb MSLP TCC PRS WX Low Middle High Max Min Sfc Snowfall PWAT 925mb Deg F Deg F deg kt in. in. Thk GPH Tmp Tmp mb % TEXT Clouds Clouds Clouds Tmp Tmp Vis in in Tmp 0 05/25 12Z 51 49 274 3 0.00 0.00 563 575 15.3 -12.1 1015.0 5 000FEW000 CLR CLR **** **** 15.0 0.0 0.704 9.8 3 05/25 15Z 55 49 254 5 0.00 0.00 562 575 14.9 -12.2 1015.4 36 010SCT024 CLR CLR 55 51 15.0 0.0 0.717 7.6 6 05/25 18Z 59 49 272 7 0.00 0.00 563 575 14.8 -11.6 1015.4 66 011BKN027 CLR CLR 59 51 15.0 0.0 0.621 7.9 9 05/25 21Z 62 48 274 13 0.00 0.00 563 575 14.0 -10.3 1014.3 45 023FEW027 CLR 306SCT373 62 59 15.0 0.0 0.488 10.1 12 05/26 00Z 59 47 265 14 0.00 0.00 564 575 13.3 -9.7 1013.3 52 023FEW027 CLR 301SCT387 62 59 15.0 0.0 0.433 8.3 15 05/26 03Z 55 48 251 11 0.00 0.00 564 575 12.0 -9.1 1012.8 75 024FEW028 CLR 322BKN398 59 55 15.0 0.0 0.503 6.9 18 05/26 06Z 53 51 250 8 0.00 0.00 563 574 9.4 -9.8 1013.1 81 017FEW025 CLR 327BKN405 59 53 15.0 0.0 0.637 8.3 21 05/26 09Z 53 51 274 10 0.01 0.00 561 570 5.7 -10.1 1011.7 100 -RA 004BKN029 CLR 300OVC396 54 52 14.3 0.0 0.743 7.6 24 05/26 12Z 52 42 274 12 0.00 0.00 557 566 5.9 -10.6 1011.2 100 -RA 003BKN034 CLR 299OVC389 54 51 15.0 0.0 0.432 6.3 27 05/26 15Z 54 42 298 11 0.00 0.00 553 563 4.2 -10.7 1012.0 100 CLR CLR 313OVC388 55 51 15.0 0.0 0.447 6.4 30 05/26 18Z 60 43 277 10 0.00 0.00 551 561 2.0 -11.2 1011.5 51 CLR CLR 312BKN387 60 51 15.0 0.0 0.479 8.0 33 05/26 21Z 61 46 272 18 0.00 0.00 550 559 4.4 -12.7 1010.6 3 057FEW064 CLR CLR 61 59 15.0 0.0 0.545 9.8 36 05/27 00Z 60 47 281 16 0.00 0.00 551 558 6.7 -13.7 1008.7 3 060FEW066 CLR CLR 61 59 15.0 0.0 0.586 9.7 39 05/27 03Z 54 48 288 11 0.00 0.00 549 556 6.1 -15.7 1008.2 1 CLR CLR CLR 59 54 15.0 0.0 0.576 9.4 42 05/27 06Z 51 47 288 9 0.00 0.00 549 555 5.4 -18.7 1008.1 4 065FEW069 CLR CLR 59 51 15.0 0.0 0.573 8.7 45 05/27 09Z 50 46 228 1 0.00 0.00 548 553 5.6 -19.6 1007.2 9 FEW CLR CLR 51 50 15.0 0.0 0.623 7.6 48 05/27 12Z 49 46 158 0 0.00 0.00 545 551 5.3 -21.1 1007.2 8 076FEW089 CLR CLR 51 49 15.0 0.0 0.728 7.5 51 05/27 15Z 53 48 254 1 0.01 0.01 543 550 4.6 -24.4 1008.2 76 -RA 063SCT109 146BKN228 CLR 53 49 15.0 0.0 0.741 8.6 54 05/27 18Z 60 46 299 6 0.00 0.00 545 552 3.6 -24.2 1008.5 76 -RA 065SCT109 147BKN228 CLR 60 49 15.0 0.0 0.702 9.4 57 05/27 21Z 65 45 274 8 0.00 0.00 549 555 6.7 -22.9 1007.1 10 073FEW104 197FEW217 CLR 66 60 15.0 0.0 0.628 12.8 60 05/28 00Z 59 47 265 12 0.00 0.00 550 556 8.3 -21.4 1007.4 8 073FEW104 198FEW218 246FEW265 67 58 15.0 0.0 0.612 11.7 63 05/28 03Z 54 48 248 5 0.00 0.00 551 558 8.8 -20.1 1008.4 13 CLR CLR 249FEW273 59 54 15.0 0.0 0.598 11.5 66 05/28 06Z 52 49 220 3 0.00 0.00 550 558 8.8 -19.8 1009.4 35 027FEW030 200FEW237 241SCT283 59 52 15.0 0.0 0.684 10.7 69 05/28 09Z 53 49 195 2 0.00 0.00 549 557 8.7 -20.6 1009.6 100 039FEW047 147OVC234 239BKN276 53 52 15.0 0.0 0.781 9.4 72 05/28 12Z 51 48 152 5 0.00 0.00 548 557 7.7 -21.0 1010.7 99 066FEW083 134OVC226 238SCT276 53 51 15.0 0.0 0.781 8.4 75 05/28 15Z 55 48 191 3 0.00 0.00 549 559 7.2 -19.5 1011.9 44 076SCT118 128SCT150 238FEW247 55 51 15.0 0.0 0.787 7.9 78 05/28 18Z 62 47 272 3 0.00 0.00 550 561 6.6 -18.7 1012.9 49 077SCT114 129FEW151 239FEW251 62 51 15.0 0.0 0.740 9.6 81 05/28 21Z 64 48 262 12 0.00 0.00 552 563 7.4 -18.2 1013.3 9 082FEW099 229FEW239 253FEW273 65 62 15.0 0.0 0.769 10.7 84 05/29 00Z 63 47 259 13 0.00 0.00 554 564 9.1 -16.6 1012.7 9 080FEW095 177FEW194 264FEW280 65 61 15.0 0.0 0.792 11.1 87 05/29 03Z 57 48 273 7 0.00 0.00 554 565 9.1 -16.6 1013.9 20 107FEW118 155FEW177 251FEW316 63 57 15.0 0.0 0.845 10.2 90 05/29 06Z 54 50 247 3 0.00 0.00 554 566 8.9 -16.3 1015.0 45 101FEW111 124FEW208 261SCT322 63 54 15.0 0.0 0.905 8.8 93 05/29 09Z 54 50 178 2 0.00 0.00 554 566 8.3 -14.9 1015.2 95 073BKN105 119BKN217 296BKN332 55 53 15.0 0.0 0.908 9.1 96 05/29 12Z 53 50 269 1 0.00 0.00 555 568 8.4 -14.7 1015.3 92 078BKN113 119BKN195 297SCT333 55 53 15.0 0.0 0.863 8.5 99 05/29 15Z 57 50 260 2 0.00 0.00 556 569 8.5 -13.0 1016.2 43 074SCT095 CLR CLR 57 53 15.0 0.0 0.915 7.8 102 05/29 18Z 61 50 269 7 0.00 0.00 558 572 8.9 -13.9 1016.4 50 052SCT069 CLR 284FEW347 62 53 15.0 0.0 0.947 9.1 105 05/29 21Z 64 50 285 10 0.00 0.00 560 573 10.1 -13.5 1016.1 35 FEW CLR 303SCT347 64 62 15.0 0.0 0.928 11.2 108 05/30 00Z 61 49 273 9 0.00 0.00 560 574 11.2 -13.9 1015.9 23 FEW CLR 302FEW343 65 61 15.0 0.0 0.897 12.3 111 05/30 03Z 55 50 258 7 0.00 0.00 560 574 12.1 -13.6 1016.2 4 CLR CLR 374FEW391 61 55 15.0 0.0 0.861 13.2 114 05/30 06Z 53 51 216 6 0.00 0.00 561 575 13.0 -13.3 1016.7 16 010FEW014 CLR 335FEW381 61 53 15.0 0.0 0.843 14.5 117 05/30 09Z 54 50 174 5 0.00 0.00 561 574 13.3 -13.8 1015.6 100 009BKN016 CLR 307BKN370 54 53 15.0 0.0 0.802 15.6 120 05/30 12Z 52 50 177 4 0.00 0.00 560 573 13.3 -14.2 1015.5 88 010SCT016 CLR 295BKN349 54 52 14.9 0.0 0.724 15.4 123 05/30 15Z 56 50 175 4 0.00 0.00 560 574 13.0 -14.4 1016.4 5 009FEW012 CLR CLR 56 51 15.0 0.0 0.637 15.6 126 05/30 18Z 65 50 263 4 0.00 0.00 561 575 12.9 -14.4 1016.3 3 009FEW012 CLR CLR 65 51 15.0 0.0 0.555 14.6 129 05/30 21Z 65 49 275 9 0.00 0.00 562 575 13.4 -14.2 1015.9 0 CLR CLR CLR 68 64 15.0 0.0 0.456 16.4 132 05/31 00Z 61 48 267 8 0.00 0.00 562 576 14.5 -14.1 1015.6 0 CLR CLR CLR 67 61 15.0 0.0 0.327 16.6 135 05/31 03Z 54 48 241 6 0.00 0.00 563 576 15.4 -13.6 1016.0 0 CLR CLR CLR 61 54 15.0 0.0 0.283 16.1 138 05/31 06Z 51 48 197 5 0.00 0.00 563 577 16.1 -13.5 1016.2 5 013FEW015 CLR CLR 61 51 13.4 0.0 0.281 17.1 141 05/31 09Z 50 48 181 5 0.00 0.00 564 577 15.9 -13.0 1015.7 18 011FEW015 CLR 336FEW348 51 50 13.4 0.0 0.325 17.7 144 05/31 12Z 50 47 174 5 0.00 0.00 564 577 15.8 -12.8 1015.9 12 011FEW015 CLR 304FEW326 51 50 15.0 0.0 0.379 17.0 147 05/31 15Z 54 47 169 4 0.00 0.00 564 578 15.8 -12.5 1016.5 0 CLR CLR CLR 55 49 15.0 0.0 0.382 17.8 150 05/31 18Z 65 48 272 3 0.00 0.00 566 580 15.7 -12.3 1016.5 0 CLR CLR CLR 65 49 15.0 0.0 0.378 18.1 153 05/31 21Z 68 49 291 10 0.00 0.00 567 581 16.7 -11.7 1015.9 0 CLR CLR CLR 70 65 15.1 0.0 0.358 19.6 156 06/01 00Z 64 49 277 7 0.00 0.00 568 581 17.6 -11.3 1015.5 13 CLR CLR 345FEW381 70 62 15.0 0.0 0.336 20.0 159 06/01 03Z 57 48 239 4 0.00 0.00 569 582 18.1 -10.9 1016.1 73 CLR CLR 354BKN400 64 57 15.0 0.0 0.305 20.5 162 06/01 06Z 52 48 204 5 0.00 0.00 569 583 18.1 -10.8 1017.6 37 CLR CLR 355SCT400 64 52 15.0 0.0 0.296 21.4 165 06/01 09Z 51 48 209 4 0.00 0.00 569 583 18.3 -10.9 1017.2 2 CLR CLR FEW 52 51 15.0 0.0 0.313 21.2 168 06/01 12Z 50 48 175 4 0.00 0.00 569 583 18.2 -10.7 1016.7 1 CLR CLR CLR 52 50 15.0 0.0 0.281 21.2