Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 26JAN 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 01/26 12Z 46 40 40 3 0.00 0.00 547 567 6.3 -20.9 1024.3 100 CLR 000OVC000 000BKN000 **** **** 15.0 0.0 0.469 9.6 3 01/26 15Z 44 39 62 3 0.00 0.00 547 567 6.3 -19.8 1024.9 87 CLR 162BKN197 276SCT322 46 44 15.0 0.0 0.412 9.9 6 01/26 18Z 51 39 18 2 0.00 0.00 548 569 6.0 -17.8 1026.0 54 CLR 163BKN196 285FEW330 51 43 15.0 0.0 0.411 9.5 9 01/26 21Z 59 40 315 0 0.00 0.00 550 570 5.9 -16.9 1023.9 10 CLR CLR 341FEW367 59 51 15.0 0.0 0.416 9.0 12 01/27 00Z 58 42 294 5 0.00 0.00 551 571 5.1 -16.1 1023.5 36 CLR CLR 294SCT345 61 51 15.0 0.0 0.473 9.4 15 01/27 03Z 52 42 64 2 0.00 0.00 552 572 5.6 -15.8 1023.9 47 CLR CLR 343SCT380 59 52 15.0 0.0 0.461 9.3 18 01/27 06Z 50 42 73 3 0.00 0.00 553 573 5.7 -15.1 1024.4 67 CLR CLR 333BKN400 59 50 15.0 0.0 0.456 9.8 21 01/27 09Z 49 41 84 2 0.00 0.00 553 573 5.9 -14.5 1024.2 76 CLR CLR 288BKN393 50 49 15.0 0.0 0.416 9.6 24 01/27 12Z 48 40 77 3 0.00 0.00 553 572 5.4 -14.6 1024.0 88 CLR CLR 277BKN400 50 48 15.0 0.0 0.391 9.3 27 01/27 15Z 47 40 89 3 0.00 0.00 552 572 4.8 -14.5 1024.5 100 CLR CLR 274OVC408 48 47 15.0 0.0 0.372 9.1 30 01/27 18Z 54 40 96 4 0.00 0.00 552 572 4.8 -15.5 1024.8 99 CLR CLR 294OVC403 54 47 15.0 0.0 0.414 9.1 33 01/27 21Z 59 42 208 4 0.00 0.00 551 571 2.9 -17.7 1024.2 89 CLR CLR 327BKN402 59 54 15.0 0.0 0.695 9.1 36 01/28 00Z 58 48 200 8 0.00 0.00 549 569 3.5 -19.2 1024.0 95 047SCT065 156SCT235 313BKN386 60 54 15.0 0.0 0.791 8.9 39 01/28 03Z 55 47 206 4 0.00 0.00 548 569 3.4 -19.1 1025.2 100 035SCT119 203BKN225 239OVC392 58 55 15.1 0.0 0.867 7.9 42 01/28 06Z 55 48 140 4 0.00 0.00 547 568 4.5 -21.7 1025.7 100 -RA 017BKN118 183BKN203 241OVC377 58 54 15.0 0.0 0.739 8.0 45 01/28 09Z 54 49 133 1 0.01 0.00 547 570 3.3 -19.7 1027.1 100 -RA 012BKN071 CLR 272SCT330 55 54 15.0 0.0 0.676 8.0 48 01/28 12Z 53 49 49 2 0.00 0.00 548 571 4.3 -19.2 1027.5 87 011BKN060 CLR 273FEW331 55 52 15.0 0.0 0.556 7.6 51 01/28 15Z 52 48 42 2 0.00 0.00 549 572 4.8 -19.4 1028.4 71 017BKN025 CLR 277FEW312 54 52 15.0 0.0 0.551 7.4 54 01/28 18Z 56 48 36 3 0.00 0.00 550 574 6.1 -19.7 1028.6 45 017SCT025 CLR 287FEW326 56 52 15.0 0.0 0.510 8.9 57 01/28 21Z 59 46 343 5 0.00 0.00 551 573 7.2 -19.1 1026.6 99 CLR 206SCT240 251OVC337 59 56 15.0 0.0 0.504 8.5 60 01/29 00Z 59 45 347 9 0.00 0.00 552 573 7.1 -17.3 1026.1 99 CLR 202SCT239 262BKN351 60 56 15.0 0.0 0.486 8.8 63 01/29 03Z 53 45 337 4 0.00 0.00 552 575 7.7 -17.6 1026.7 8 CLR CLR 327FEW349 59 53 15.0 0.0 0.484 8.9 66 01/29 06Z 51 45 54 3 0.00 0.00 554 576 8.7 -17.5 1026.0 5 CLR CLR 321FEW341 59 51 15.0 0.0 0.503 9.9 69 01/29 09Z 50 44 49 2 0.00 0.00 553 575 8.8 -18.5 1026.5 47 CLR 205FEW223 262SCT310 51 50 15.0 0.0 0.558 10.4 72 01/29 12Z 49 44 31 2 0.00 0.00 553 575 8.6 -17.7 1027.0 73 CLR 203FEW223 271BKN333 51 49 15.0 0.0 0.649 10.2 75 01/29 15Z 49 42 51 2 0.00 0.00 555 576 9.7 -16.9 1026.4 96 108FEW123 147FEW168 291BKN357 49 48 15.0 0.0 0.580 11.1 78 01/29 18Z 55 42 359 2 0.00 0.00 556 578 9.8 -16.5 1026.7 76 108FEW123 148FEW168 289BKN359 55 48 15.0 0.0 0.558 12.4 81 01/29 21Z 62 42 347 2 0.00 0.00 557 578 10.6 -15.5 1024.2 27 CLR 206FEW221 394SCT417 62 55 15.0 0.0 0.599 12.8 84 01/30 00Z 61 43 29 3 0.00 0.00 559 579 11.1 -13.8 1023.3 24 CLR CLR 401FEW424 63 55 15.0 0.0 0.650 13.2 87 01/30 03Z 55 43 46 2 0.00 0.00 560 580 12.0 -12.5 1023.8 68 CLR CLR 336BKN379 61 55 15.0 0.0 0.608 14.2 90 01/30 06Z 53 42 67 2 0.00 0.00 560 581 12.2 -14.8 1024.5 55 CLR CLR 321BKN367 61 53 15.0 0.0 0.525 14.4 93 01/30 09Z 52 40 78 3 0.00 0.00 560 580 11.7 -14.5 1024.8 82 CLR CLR 342BKN392 53 52 15.0 0.0 0.512 13.7 96 01/30 12Z 51 39 97 3 0.00 0.00 560 580 11.5 -15.0 1025.2 67 CLR CLR 331BKN377 53 51 15.0 0.0 0.513 13.9 99 01/30 15Z 50 40 60 2 0.00 0.00 560 581 11.8 -14.6 1025.1 93 CLR 225SCT244 305BKN346 51 50 15.0 0.0 0.510 14.5 102 01/30 18Z 58 43 47 2 0.00 0.00 561 582 12.6 -14.4 1025.3 96 CLR 225FEW244 328BKN375 58 50 15.0 0.0 0.524 15.4 105 01/30 21Z 63 45 312 2 0.00 0.00 562 581 13.0 -14.1 1022.9 100 CLR 229FEW244 317OVC434 63 58 15.0 0.0 0.528 15.8 108 01/31 00Z 62 47 312 1 0.00 0.00 563 581 13.0 -14.2 1021.7 100 CLR 229FEW244 307OVC413 64 58 15.0 0.0 0.499 15.8 111 01/31 03Z 56 46 40 2 0.00 0.00 562 581 12.9 -13.4 1022.5 100 CLR CLR 290OVC397 62 56 15.0 0.0 0.506 15.2 114 01/31 06Z 54 46 66 3 0.00 0.00 562 581 12.7 -13.7 1022.5 99 CLR CLR 285OVC389 62 54 15.0 0.0 0.503 15.4 117 01/31 09Z 53 46 77 2 0.00 0.00 562 580 12.9 -13.9 1021.6 100 CLR CLR 312OVC399 54 53 15.0 0.0 0.467 16.0 120 01/31 12Z 52 46 33 3 0.00 0.00 561 579 12.7 -13.5 1021.2 100 CLR CLR 291OVC411 54 52 15.0 0.0 0.470 15.4 123 01/31 15Z 51 45 55 2 0.00 0.00 561 578 13.1 -13.3 1020.5 100 CLR CLR 247OVC416 52 51 15.0 0.0 0.452 15.6 126 01/31 18Z 57 46 353 2 0.00 0.00 561 578 13.0 -12.5 1020.6 100 CLR CLR 267OVC415 57 51 15.0 0.0 0.454 15.1 129 01/31 21Z 65 46 323 3 0.00 0.00 562 577 13.2 -13.0 1017.9 36 CLR CLR 329SCT389 65 57 15.0 0.0 0.453 14.4 132 02/01 00Z 64 48 343 2 0.00 0.00 562 575 13.1 -13.5 1016.1 38 CLR CLR 306SCT356 66 57 15.0 0.0 0.465 15.1 135 02/01 03Z 57 47 348 3 0.00 0.00 561 575 12.4 -14.0 1016.8 100 CLR CLR 275OVC365 64 57 15.0 0.0 0.464 15.2 138 02/01 06Z 55 47 324 2 0.00 0.00 560 574 12.1 -14.8 1017.3 100 CLR CLR 283OVC364 64 55 15.0 0.0 0.488 14.4 141 02/01 09Z 55 47 121 1 0.00 0.00 559 574 11.8 -15.4 1017.2 100 CLR 225SCT242 248OVC360 55 55 15.0 0.0 0.495 14.5 144 02/01 12Z 54 47 325 1 0.00 0.00 558 573 11.7 -15.8 1017.1 100 CLR 225SCT242 246OVC370 55 54 15.0 0.0 0.477 14.1 147 02/01 15Z 53 46 66 1 0.00 0.00 558 572 11.6 -16.7 1017.0 100 CLR 202OVC241 241OVC390 54 53 15.0 0.0 0.443 14.4 150 02/01 18Z 58 47 327 2 0.00 0.00 557 572 11.4 -17.2 1018.4 100 CLR 196OVC241 241OVC390 58 53 15.0 0.0 0.457 13.7 153 02/01 21Z 61 48 304 6 0.00 0.00 556 571 11.5 -17.9 1017.5 100 CLR 186OVC241 242OVC380 61 58 15.0 0.0 0.447 13.6 156 02/02 00Z 58 47 287 5 0.00 0.00 555 570 11.4 -19.6 1017.4 100 CLR 181OVC240 241OVC384 61 58 15.0 0.0 0.434 13.9 159 02/02 03Z 55 45 236 2 0.00 0.00 554 570 10.8 -18.3 1018.7 100 CLR 157OVC240 240OVC378 58 55 15.0 0.0 0.494 14.3 162 02/02 06Z 53 46 190 2 0.00 0.00 554 570 10.1 -18.7 1019.8 100 CLR 177BKN240 242OVC377 58 53 15.0 0.0 0.544 13.8 165 02/02 09Z 52 47 199 2 0.00 0.00 554 571 9.4 -18.1 1020.0 97 CLR CLR 294BKN364 53 52 15.0 0.0 0.587 13.1 168 02/02 12Z 51 47 181 1 0.00 0.00 554 571 9.2 -18.3 1020.2 48 CLR CLR 294SCT364 53 51 15.0 0.0 0.496 13.1