Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 26MAY 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 05/26 12Z 52 48 285 9 0.00 0.00 556 565 3.8 -10.7 1011.8 100 000FEW000 CLR 000OVC000 **** **** 15.1 0.0 0.453 7.4 3 05/26 15Z 54 46 277 12 0.00 0.00 552 562 4.6 -12.3 1011.9 57 CLR CLR 319BKN388 54 50 15.0 0.0 0.467 6.5 6 05/26 18Z 60 45 280 13 0.00 0.00 550 559 2.8 -12.2 1011.4 28 CLR CLR 318SCT387 60 51 15.0 0.0 0.513 8.2 9 05/26 21Z 61 46 270 17 0.00 0.00 548 557 4.7 -15.2 1010.6 13 053FEW063 CLR CLR 61 60 15.0 0.0 0.581 9.6 12 05/27 00Z 59 46 284 14 0.00 0.00 548 556 6.4 -17.8 1009.1 10 059FEW070 CLR CLR 61 59 15.0 0.0 0.616 9.1 15 05/27 03Z 54 49 286 10 0.00 0.00 548 554 5.6 -19.3 1007.8 32 073SCT099 CLR CLR 59 54 15.0 0.0 0.650 9.8 18 05/27 06Z 51 48 273 6 0.00 0.00 546 553 4.8 -21.3 1007.9 19 073FEW098 CLR CLR 59 51 15.0 0.0 0.651 9.3 21 05/27 09Z 50 48 172 4 0.00 0.00 546 551 5.7 -22.4 1007.0 13 FEW CLR CLR 51 50 15.1 0.0 0.671 8.1 24 05/27 12Z 51 47 135 5 0.00 0.00 545 551 5.5 -22.7 1007.3 25 011SCT020 CLR CLR 51 50 15.0 0.0 0.723 7.2 27 05/27 15Z 55 46 141 4 0.00 0.00 546 553 5.4 -21.2 1008.4 17 087FEW111 181FEW202 FEW 56 51 15.0 0.0 0.710 8.3 30 05/27 18Z 61 45 168 4 0.00 0.00 548 555 6.4 -20.1 1008.5 35 081FEW104 213SCT232 237FEW275 61 51 15.0 0.0 0.667 10.6 33 05/27 21Z 59 48 277 14 0.00 0.00 549 556 7.0 -19.6 1008.7 100 064FEW074 160OVC232 237BKN276 64 58 15.0 0.0 0.782 10.0 36 05/28 00Z 60 48 266 9 0.00 0.00 550 557 7.7 -18.8 1008.0 100 093FEW115 145OVC210 238BKN279 64 58 15.0 0.0 0.759 10.5 39 05/28 03Z 54 49 273 3 0.00 0.00 551 558 7.5 -18.4 1008.5 99 089FEW114 195BKN226 243BKN294 59 54 15.0 0.0 0.779 8.6 42 05/28 06Z 53 49 120 2 0.00 0.00 550 558 6.3 -18.2 1010.1 99 078FEW097 167BKN219 241BKN315 59 53 15.0 0.0 0.872 9.7 45 05/28 09Z 53 49 93 1 0.00 0.00 548 556 5.4 -18.7 1009.7 100 068BKN105 118OVC237 237OVC326 54 53 15.0 0.0 0.933 8.8 48 05/28 12Z 52 49 346 1 0.02 0.00 547 555 4.8 -19.6 1010.0 100 -RA 027BKN113 118OVC236 237OVC292 54 52 11.5 0.0 0.915 8.0 51 05/28 15Z 52 50 129 5 0.11 0.01 547 556 3.7 -19.7 1011.2 100 -RA 000OVC118 118OVC236 236OVC264 53 52 14.9 0.0 0.916 8.4 54 05/28 18Z 57 51 32 3 0.01 0.00 549 559 4.4 -18.7 1012.4 98 -RA 005BKN118 118BKN235 238BKN265 57 52 15.0 0.0 0.861 8.9 57 05/28 21Z 67 49 280 4 0.00 0.00 551 561 6.0 -18.7 1012.0 50 055FEW089 119FEW127 247SCT298 67 59 15.0 0.0 0.806 12.3 60 05/29 00Z 62 50 284 11 0.00 0.00 552 562 7.8 -18.2 1012.1 75 056SCT085 168SCT229 252BKN311 68 59 15.0 0.0 0.874 12.5 63 05/29 03Z 57 49 256 6 0.00 0.00 552 563 7.6 -18.1 1013.4 69 085FEW092 130FEW181 266BKN320 62 57 15.0 0.0 0.900 10.8 66 05/29 06Z 54 50 258 6 0.00 0.00 552 565 7.3 -16.4 1015.1 69 084SCT114 133FEW175 281SCT331 62 54 15.0 0.0 0.852 10.4 69 05/29 09Z 53 50 192 3 0.00 0.00 553 566 7.3 -15.7 1015.0 9 082FEW099 CLR 288FEW303 54 53 15.0 0.0 0.862 10.0 72 05/29 12Z 52 50 220 3 0.00 0.00 554 567 7.5 -15.2 1015.6 27 083FEW101 CLR 249FEW279 54 52 15.0 0.0 0.904 9.5 75 05/29 15Z 56 51 229 3 0.00 0.00 555 569 7.5 -14.6 1016.6 35 026FEW034 184FEW215 293FEW323 56 52 15.0 0.0 0.972 8.4 78 05/29 18Z 61 49 270 7 0.00 0.00 557 571 7.9 -13.9 1017.0 35 031FEW041 170FEW198 279FEW314 61 52 15.0 0.0 0.964 9.0 81 05/29 21Z 62 49 277 12 0.00 0.00 558 572 8.9 -14.1 1017.2 2 103FEW119 CLR CLR 63 61 15.0 0.0 0.897 10.1 84 05/30 00Z 60 50 278 10 0.00 0.00 558 573 9.9 -13.8 1016.9 3 CLR CLR 331FEW348 63 60 15.0 0.0 0.907 10.7 87 05/30 03Z 55 51 264 6 0.00 0.00 559 573 10.4 -12.8 1017.1 4 017FEW022 CLR CLR 60 55 15.0 0.0 0.850 11.1 90 05/30 06Z 53 50 238 5 0.00 0.00 559 574 11.1 -13.0 1017.3 24 010FEW019 CLR CLR 60 52 14.5 0.0 0.821 12.2 93 05/30 09Z 53 49 215 4 0.00 0.00 559 573 10.8 -13.4 1017.0 61 010BKN018 CLR CLR 54 53 15.0 0.0 0.787 12.8 96 05/30 12Z 53 49 191 5 0.00 0.00 558 572 10.7 -13.8 1016.7 76 009BKN018 233FEW242 245SCT267 54 53 15.0 0.0 0.731 13.6 99 05/30 15Z 54 49 206 4 0.00 0.00 558 572 10.7 -15.2 1017.6 98 005BKN019 223FEW242 364FEW379 54 53 15.0 0.0 0.720 12.8 102 05/30 18Z 61 50 253 4 0.00 0.00 558 573 11.0 -16.0 1017.4 87 000BKN020 207FEW224 353FEW372 61 53 15.1 0.0 0.673 12.5 105 05/30 21Z 61 49 252 9 0.00 0.00 558 572 11.2 -14.8 1017.4 0 CLR CLR CLR 63 60 15.0 0.0 0.578 12.8 108 05/31 00Z 58 47 268 10 0.00 0.00 558 572 11.7 -14.2 1016.9 0 CLR CLR CLR 62 59 15.0 0.0 0.462 13.2 111 05/31 03Z 53 47 258 8 0.00 0.00 557 571 12.0 -15.2 1017.1 0 CLR CLR CLR 58 53 15.0 0.0 0.358 13.9 114 05/31 06Z 50 47 233 7 0.00 0.00 557 571 12.0 -15.9 1017.4 0 CLR CLR CLR 58 50 15.0 0.0 0.332 13.1 117 05/31 09Z 50 47 225 6 0.00 0.00 557 571 11.9 -15.5 1016.9 25 012FEW018 CLR 302FEW312 51 50 15.0 0.0 0.402 11.8 120 05/31 12Z 51 46 210 6 0.00 0.00 557 571 11.3 -15.3 1017.0 42 011SCT019 CLR CLR 52 50 15.0 0.0 0.412 10.2 123 05/31 15Z 53 46 198 5 0.00 0.00 557 572 11.4 -14.2 1017.7 79 012BKN020 CLR 317FEW347 53 51 15.0 0.0 0.438 9.6 126 05/31 18Z 59 47 229 4 0.00 0.00 559 573 11.5 -13.3 1017.5 84 012BKN021 CLR 295SCT366 59 51 15.0 0.0 0.436 10.0 129 05/31 21Z 61 48 260 11 0.00 0.00 561 575 11.8 -12.0 1017.3 3 CLR CLR 312FEW325 62 60 15.0 0.0 0.449 10.9 132 06/01 00Z 59 47 256 8 0.00 0.00 562 577 12.6 -11.8 1017.0 1 CLR CLR 313FEW326 62 59 15.0 0.0 0.463 12.7 135 06/01 03Z 54 47 234 6 0.00 0.00 563 578 12.9 -11.9 1017.8 5 CLR CLR 374FEW385 59 54 15.0 0.0 0.470 14.4 138 06/01 06Z 51 47 200 6 0.00 0.00 564 579 13.4 -12.3 1018.7 6 CLR CLR 377FEW394 59 51 15.0 0.0 0.513 15.0 141 06/01 09Z 50 47 180 5 0.00 0.00 564 579 13.6 -12.0 1018.4 12 014FEW017 CLR 397FEW423 51 50 15.0 0.0 0.478 15.2 144 06/01 12Z 49 47 166 5 0.00 0.00 564 579 13.8 -11.2 1017.9 50 013FEW016 CLR 317SCT391 51 49 15.0 0.0 0.424 15.5 147 06/01 15Z 54 47 190 4 0.00 0.00 565 580 13.8 -10.8 1018.8 64 CLR CLR 325BKN384 54 49 15.0 0.0 0.420 15.7 150 06/01 18Z 63 47 271 3 0.00 0.00 566 582 14.1 -9.7 1018.5 77 CLR CLR 343BKN418 63 49 15.0 0.0 0.407 16.0 153 06/01 21Z 64 47 285 10 0.00 0.00 567 583 14.5 -9.2 1018.7 95 CLR CLR 328BKN426 66 63 15.0 0.0 0.395 16.6 156 06/02 00Z 62 46 271 9 0.00 0.00 568 584 15.6 -8.9 1018.5 94 CLR CLR 324BKN417 66 61 15.0 0.0 0.371 17.0 159 06/02 03Z 56 47 219 5 0.00 0.00 569 585 16.4 -8.7 1019.0 96 CLR CLR 316BKN366 62 55 15.0 0.0 0.316 18.4 162 06/02 06Z 53 47 187 5 0.00 0.00 569 585 16.6 -8.9 1019.4 98 CLR CLR 318BKN395 62 52 15.0 0.0 0.349 18.9 165 06/02 09Z 50 47 188 5 0.00 0.00 569 585 17.2 -8.7 1018.8 96 CLR 238FEW248 339BKN422 53 50 15.0 0.0 0.351 19.1 168 06/02 12Z 50 47 168 6 0.00 0.00 570 585 16.8 -8.3 1018.2 98 CLR 238FEW248 347BKN423 53 50 15.0 0.0 0.388 18.7