Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 27JAN 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 01/27 12Z 48 41 75 3 0.00 0.00 553 573 5.6 -14.7 1024.1 100 CLR CLR 000OVC000 **** **** 15.0 0.0 0.370 10.0 3 01/27 15Z 48 41 96 3 0.00 0.00 552 572 5.4 -15.0 1024.5 100 CLR CLR 277OVC406 48 48 15.0 0.0 0.348 10.0 6 01/27 18Z 55 39 122 3 0.00 0.00 551 572 4.3 -16.3 1025.4 98 CLR CLR 288BKN407 55 48 15.0 0.0 0.506 9.0 9 01/27 21Z 60 45 213 5 0.00 0.00 550 570 3.0 -16.6 1024.2 75 048FEW053 CLR 313BKN403 60 55 15.0 0.0 0.740 8.9 12 01/28 00Z 58 47 201 10 0.00 0.00 549 569 3.1 -19.2 1023.7 87 044SCT062 144FEW181 313BKN380 60 55 15.0 0.0 0.865 8.5 15 01/28 03Z 54 48 189 5 0.02 0.00 547 568 3.8 -20.1 1025.0 100 -RA 054BKN120 142OVC220 239OVC388 58 54 12.0 0.0 0.894 7.8 18 01/28 06Z 53 49 148 5 0.04 0.00 544 566 4.6 -23.9 1025.8 100 -RA 025BKN118 132BKN186 242OVC365 58 53 15.3 0.0 0.778 7.7 21 01/28 09Z 54 49 148 4 0.02 0.02 546 568 3.2 -20.3 1026.7 98 -TSRA 000BKN070 CLR FEW 54 53 15.1 0.0 0.663 7.9 24 01/28 12Z 54 49 162 3 0.00 0.00 547 570 3.7 -19.5 1027.7 89 -RA 011BKN055 CLR 279FEW289 54 53 15.0 0.0 0.572 6.9 27 01/28 15Z 53 49 5 1 0.00 0.00 548 572 4.1 -19.1 1028.7 84 021BKN030 CLR 292BKN350 54 53 15.0 0.0 0.562 7.3 30 01/28 18Z 56 49 19 3 0.00 0.00 549 573 5.7 -19.8 1029.2 91 022SCT030 183SCT240 265BKN361 56 52 15.0 0.0 0.558 8.9 33 01/28 21Z 59 47 359 5 0.00 0.00 551 573 7.0 -19.1 1027.3 93 CLR 185BKN229 260BKN365 59 56 15.0 0.0 0.577 8.6 36 01/29 00Z 59 45 359 8 0.00 0.00 551 573 6.4 -17.7 1026.9 84 CLR 181BKN231 257BKN334 60 56 15.0 0.0 0.546 8.9 39 01/29 03Z 53 44 350 4 0.00 0.00 552 575 7.2 -16.9 1027.6 7 CLR CLR 334FEW361 59 53 15.0 0.0 0.577 8.8 42 01/29 06Z 51 45 47 3 0.00 0.00 553 575 7.9 -17.2 1027.3 6 CLR CLR 339FEW363 59 51 15.0 0.0 0.557 9.7 45 01/29 09Z 49 44 48 2 0.00 0.00 553 575 8.8 -18.2 1026.4 4 CLR 172FEW187 284FEW299 51 49 15.0 0.0 0.549 10.2 48 01/29 12Z 50 43 53 2 0.00 0.00 553 575 8.6 -17.9 1026.5 51 CLR 173SCT238 256BKN325 51 49 15.0 0.0 0.501 10.2 51 01/29 15Z 48 42 86 2 0.00 0.00 554 576 9.0 -17.5 1027.0 100 CLR 226SCT241 277OVC338 50 48 15.0 0.0 0.470 10.5 54 01/29 18Z 54 42 42 1 0.00 0.00 556 578 9.8 -16.6 1027.1 100 CLR 222SCT242 270OVC353 55 48 15.0 0.0 0.450 11.8 57 01/29 21Z 61 42 326 4 0.00 0.00 557 578 9.9 -16.1 1025.4 36 CLR CLR 275SCT378 61 55 15.0 0.0 0.456 11.5 60 01/30 00Z 61 43 330 4 0.00 0.00 557 578 10.6 -14.8 1024.7 43 CLR CLR 285SCT357 63 55 15.0 0.0 0.515 11.9 63 01/30 03Z 55 43 21 3 0.00 0.00 559 579 11.4 -15.5 1024.7 97 CLR CLR 248BKN348 62 55 15.0 0.0 0.510 13.1 66 01/30 06Z 53 42 56 4 0.00 0.00 559 580 11.7 -14.9 1024.9 89 CLR 195FEW230 252BKN335 62 52 15.0 0.0 0.595 14.1 69 01/30 09Z 52 42 71 2 0.00 0.00 559 579 11.6 -15.3 1024.7 100 CLR 198SCT234 270OVC336 53 52 15.0 0.0 0.565 13.9 72 01/30 12Z 51 41 55 2 0.00 0.00 558 579 10.8 -15.3 1025.7 99 CLR 214BKN239 282OVC339 53 51 15.0 0.0 0.518 13.0 75 01/30 15Z 51 40 68 3 0.00 0.00 558 580 11.0 -14.9 1026.2 100 CLR 210OVC243 338BKN382 51 50 15.0 0.0 0.439 13.0 78 01/30 18Z 57 41 101 3 0.00 0.00 559 581 12.0 -14.7 1025.9 71 CLR 211BKN244 344BKN387 58 50 15.0 0.0 0.383 14.2 81 01/30 21Z 62 42 332 5 0.00 0.00 560 580 12.0 -14.1 1023.2 62 CLR 211SCT243 357SCT414 63 58 15.0 0.0 0.447 14.1 84 01/31 00Z 63 45 328 1 0.00 0.00 560 579 12.7 -13.7 1022.2 81 CLR 210FEW240 363BKN423 64 57 15.0 0.0 0.486 15.3 87 01/31 03Z 56 45 34 3 0.00 0.00 561 580 13.4 -13.7 1022.7 100 CLR 225FEW244 286OVC429 63 56 15.0 0.0 0.517 15.4 90 01/31 06Z 53 46 71 2 0.00 0.00 561 580 12.8 -14.0 1022.7 100 CLR 209SCT244 290OVC412 63 53 15.0 0.0 0.552 15.3 93 01/31 09Z 53 45 34 2 0.00 0.00 561 579 13.5 -14.0 1021.9 100 CLR 194BKN244 299OVC375 54 53 15.0 0.0 0.464 15.2 96 01/31 12Z 51 45 65 3 0.00 0.00 561 578 13.2 -13.7 1021.3 100 CLR 201BKN243 302OVC376 54 51 15.0 0.0 0.445 15.7 99 01/31 15Z 50 44 51 3 0.00 0.00 561 578 13.2 -13.4 1020.7 100 CLR 212SCT224 286OVC417 51 50 15.0 0.0 0.402 15.9 102 01/31 18Z 57 46 23 2 0.00 0.00 561 578 13.3 -13.4 1020.8 100 CLR 212FEW224 277OVC415 57 50 15.0 0.0 0.408 15.8 105 01/31 21Z 63 47 324 2 0.00 0.00 561 576 13.4 -13.3 1018.5 100 CLR CLR 267OVC393 63 57 15.0 0.0 0.418 15.6 108 02/01 00Z 63 47 293 2 0.00 0.00 561 575 13.4 -12.8 1016.5 97 CLR CLR 290BKN385 64 57 15.0 0.0 0.427 15.2 111 02/01 03Z 56 47 74 2 0.00 0.00 561 575 13.0 -13.8 1017.2 96 CLR CLR 347BKN404 63 55 15.0 0.0 0.433 15.7 114 02/01 06Z 54 47 93 3 0.00 0.00 559 574 12.9 -14.9 1017.4 98 CLR CLR 340BKN404 63 54 15.0 0.0 0.447 15.4 117 02/01 09Z 53 46 54 2 0.00 0.00 558 573 11.2 -14.9 1017.6 87 CLR CLR 286BKN322 54 53 15.0 0.0 0.509 14.2 120 02/01 12Z 52 45 87 2 0.00 0.00 557 571 11.2 -16.9 1017.4 94 CLR 213FEW236 270BKN313 54 52 15.0 0.0 0.504 13.7 123 02/01 15Z 52 46 55 1 0.00 0.00 555 570 10.4 -17.5 1017.9 100 CLR 217BKN241 263OVC358 52 52 15.0 0.0 0.477 13.0 126 02/01 18Z 57 47 292 3 0.00 0.00 554 570 9.7 -18.0 1019.2 100 CLR 211BKN241 252OVC372 57 52 15.0 0.0 0.437 12.0 129 02/01 21Z 59 44 303 4 0.00 0.00 553 569 9.1 -18.5 1018.7 100 CLR 180OVC240 240OVC377 59 57 15.0 0.0 0.425 12.0 132 02/02 00Z 59 40 297 5 0.00 0.00 553 568 8.1 -19.1 1018.5 100 CLR 180BKN239 252OVC372 60 57 15.0 0.0 0.516 11.4 135 02/02 03Z 54 40 295 3 0.00 0.00 552 568 6.4 -19.7 1019.8 30 087FEW094 CLR 314SCT362 59 54 15.0 0.0 0.666 11.0 138 02/02 06Z 52 44 278 3 0.00 0.00 551 568 7.4 -20.4 1020.7 21 065FEW070 CLR 313FEW361 59 52 15.0 0.0 0.544 10.6 141 02/02 09Z 51 47 305 1 0.00 0.00 550 568 6.5 -20.4 1021.1 0 CLR CLR CLR 52 51 15.0 0.0 0.486 10.2 144 02/02 12Z 49 45 12 1 0.00 0.00 550 567 6.1 -21.5 1021.2 0 CLR CLR CLR 52 49 15.0 0.0 0.449 10.1 147 02/02 15Z 48 43 5 3 0.00 0.00 550 568 6.3 -20.7 1022.4 0 CLR CLR CLR 49 48 15.0 0.0 0.386 9.7 150 02/02 18Z 55 44 322 2 0.00 0.00 551 571 6.7 -19.6 1023.7 0 CLR CLR CLR 55 48 15.0 0.0 0.381 9.8 153 02/02 21Z 60 44 315 6 0.00 0.00 553 571 7.3 -18.2 1022.2 3 CLR CLR 302FEW319 60 55 15.0 0.0 0.354 9.8 156 02/03 00Z 60 45 305 7 0.00 0.00 554 572 8.5 -18.0 1021.1 2 CLR CLR 288FEW302 61 55 15.0 0.0 0.372 10.3 159 02/03 03Z 53 46 286 3 0.00 0.00 555 574 10.0 -17.3 1022.1 0 CLR CLR CLR 60 52 15.0 0.0 0.408 11.0 162 02/03 06Z 52 46 60 1 0.00 0.00 556 575 10.6 -17.5 1022.5 3 CLR CLR 335FEW356 60 52 15.0 0.0 0.438 12.1 165 02/03 09Z 51 45 110 2 0.00 0.00 556 575 10.9 -17.4 1022.4 3 CLR CLR 329FEW349 52 51 15.0 0.0 0.400 12.4 168 02/03 12Z 50 43 95 2 0.00 0.00 557 575 11.0 -16.7 1022.4 3 CLR CLR 322FEW342 52 50 15.0 0.0 0.447 12.1