Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 29APR 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 04/29 12Z 51 49 152 4 0.00 0.00 556 571 8.7 -13.4 1018.9 0 CLR CLR CLR **** **** 15.0 0.0 0.533 13.8 3 04/29 15Z 55 50 178 4 0.00 0.00 556 572 8.5 -13.7 1019.1 0 CLR CLR CLR 55 51 15.0 0.0 0.523 13.6 6 04/29 18Z 63 50 232 2 0.00 0.00 557 573 9.3 -13.0 1018.7 0 CLR CLR CLR 63 51 15.0 0.0 0.493 13.3 9 04/29 21Z 66 51 282 9 0.00 0.00 559 574 10.0 -12.8 1017.7 0 CLR CLR CLR 67 63 15.0 0.0 0.507 12.8 12 04/30 00Z 61 49 281 8 0.00 0.00 560 574 10.3 -12.7 1017.1 0 CLR CLR CLR 67 60 15.0 0.0 0.465 14.2 15 04/30 03Z 54 48 266 6 0.00 0.00 560 574 11.4 -12.4 1016.8 0 CLR CLR CLR 61 54 15.0 0.0 0.436 14.7 18 04/30 06Z 52 48 213 4 0.00 0.00 560 574 12.5 -12.5 1017.0 0 CLR CLR CLR 61 52 15.0 0.0 0.419 15.2 21 04/30 09Z 51 48 197 3 0.00 0.00 560 573 12.7 -12.7 1015.8 1 CLR CLR CLR 52 51 15.0 0.0 0.445 15.8 24 04/30 12Z 50 48 194 3 0.00 0.00 560 573 12.3 -13.0 1015.4 8 009FEW013 CLR CLR 52 50 15.0 0.0 0.517 15.2 27 04/30 15Z 54 49 191 3 0.00 0.00 560 573 11.8 -13.0 1015.9 25 008SCT015 CLR CLR 54 50 15.0 0.0 0.576 13.6 30 04/30 18Z 62 49 249 2 0.00 0.00 561 573 12.0 -12.9 1015.1 14 009FEW015 CLR CLR 62 50 15.0 0.0 0.640 14.4 33 04/30 21Z 66 50 289 8 0.00 0.00 562 573 12.6 -12.8 1013.8 1 CLR CLR 283FEW294 67 62 15.0 0.0 0.694 14.5 36 05/01 00Z 62 50 282 9 0.00 0.00 562 573 13.4 -13.5 1013.2 0 CLR CLR CLR 67 60 15.0 0.0 0.647 16.3 39 05/01 03Z 54 50 265 6 0.00 0.00 562 574 14.4 -13.9 1013.7 0 CLR CLR CLR 62 54 15.0 0.0 0.578 16.6 42 05/01 06Z 52 50 234 3 0.00 0.00 562 574 14.3 -12.4 1014.2 8 010FEW014 CLR CLR 62 52 13.4 0.0 0.585 17.1 45 05/01 09Z 54 50 236 4 0.00 0.00 562 574 14.7 -11.9 1013.9 58 008BKN015 CLR CLR 54 53 13.6 0.0 0.594 17.0 48 05/01 12Z 54 49 216 3 0.00 0.00 562 573 14.5 -12.2 1013.8 71 007BKN017 CLR 340FEW372 54 52 15.0 0.0 0.624 17.1 51 05/01 15Z 55 50 182 3 0.00 0.00 561 573 13.9 -13.3 1013.9 71 011BKN017 CLR 336SCT412 55 53 15.0 0.0 0.684 16.3 54 05/01 18Z 63 51 256 2 0.00 0.00 562 573 13.9 -13.8 1013.9 80 011SCT018 CLR 318BKN420 63 52 15.0 0.0 0.701 16.0 57 05/01 21Z 68 52 283 7 0.00 0.00 562 573 14.2 -14.5 1012.5 63 CLR CLR 293BKN415 68 63 15.2 0.0 0.691 16.2 60 05/02 00Z 61 51 282 8 0.00 0.00 562 572 14.5 -14.7 1011.9 82 CLR CLR 289BKN410 68 60 15.1 0.0 0.592 17.8 63 05/02 03Z 54 50 254 5 0.00 0.00 561 572 14.3 -14.2 1012.2 92 CLR 205SCT240 255BKN400 61 54 15.1 0.0 0.587 16.4 66 05/02 06Z 54 50 223 5 0.00 0.00 561 571 14.2 -14.6 1012.5 93 010SCT018 205FEW239 255BKN401 61 53 15.0 0.0 0.565 15.4 69 05/02 09Z 54 49 219 6 0.00 0.00 560 570 13.4 -15.3 1012.0 100 008BKN020 200BKN242 262OVC359 54 54 15.0 0.0 0.613 12.6 72 05/02 12Z 54 49 220 6 0.00 0.00 559 569 12.8 -15.4 1011.9 100 005BKN022 194BKN235 274OVC371 54 54 15.0 0.0 0.560 8.4 75 05/02 15Z 54 49 233 7 0.00 0.00 558 568 11.9 -15.9 1012.8 100 000BKN027 213SCT232 260OVC352 54 53 15.0 0.0 0.549 7.3 78 05/02 18Z 56 48 250 9 0.00 0.00 557 568 11.1 -16.3 1013.3 100 000BKN027 199BKN238 251OVC368 56 53 15.0 0.0 0.516 7.0 81 05/02 21Z 58 48 266 11 0.00 0.00 556 567 10.2 -16.4 1012.6 100 016SCT025 191SCT238 240OVC381 59 57 15.0 0.0 0.483 8.1 84 05/03 00Z 57 48 274 11 0.00 0.00 556 565 9.9 -16.6 1011.4 100 016FEW025 190FEW235 244OVC376 59 56 15.0 0.0 0.450 7.7 87 05/03 03Z 53 47 273 7 0.00 0.00 555 565 9.6 -17.0 1011.5 100 019FEW021 CLR 260OVC354 57 53 15.0 0.0 0.445 6.9 90 05/03 06Z 51 47 262 7 0.00 0.00 554 564 8.9 -17.0 1011.9 100 018FEW024 CLR 259OVC339 57 51 15.0 0.0 0.444 6.5 93 05/03 09Z 53 46 252 7 0.00 0.00 552 562 8.5 -17.9 1011.2 100 015BKN026 CLR 258OVC319 53 51 15.0 0.0 0.455 6.2 96 05/03 12Z 53 45 220 6 0.00 0.00 551 560 7.9 -19.0 1011.0 99 008BKN029 223FEW238 249BKN308 53 51 15.0 0.0 0.474 5.9 99 05/03 15Z 54 45 207 5 0.00 0.00 550 560 6.6 -20.1 1012.0 99 006BKN034 192BKN228 238BKN285 54 52 15.0 0.0 0.531 5.9 102 05/03 18Z 58 46 229 7 0.00 0.00 549 560 5.0 -20.1 1012.7 99 013BKN035 174BKN230 238BKN284 58 52 15.0 0.0 0.568 7.2 105 05/03 21Z 61 45 256 10 0.00 0.00 549 559 2.7 -19.6 1012.3 73 025SCT043 163BKN233 237BKN284 61 58 15.0 0.0 0.574 8.4 108 05/04 00Z 60 44 252 11 0.00 0.00 549 559 4.0 -19.8 1011.8 49 033FEW046 163SCT233 237SCT283 62 58 15.0 0.0 0.562 8.2 111 05/04 03Z 55 44 245 7 0.00 0.00 547 558 5.1 -20.7 1012.9 1 CLR CLR CLR 60 55 15.0 0.0 0.581 7.5 114 05/04 06Z 52 44 215 5 0.00 0.00 547 558 2.8 -21.0 1013.6 0 CLR CLR CLR 60 52 15.0 0.0 0.592 7.6 117 05/04 09Z 52 45 190 5 0.00 0.00 546 557 1.7 -21.3 1013.5 0 CLR CLR CLR 52 52 15.0 0.0 0.627 7.4 120 05/04 12Z 51 44 175 5 0.00 0.00 545 556 2.2 -21.7 1013.8 21 045FEW077 CLR CLR 53 50 15.0 0.0 0.623 7.3 123 05/04 15Z 55 44 150 6 0.00 0.00 544 556 2.1 -22.0 1014.7 12 053FEW083 CLR CLR 55 51 15.0 0.0 0.571 7.5 126 05/04 18Z 60 43 240 5 0.00 0.00 544 557 1.9 -21.8 1015.3 9 053FEW078 CLR CLR 60 51 15.0 0.0 0.583 8.1 129 05/04 21Z 60 43 267 9 0.00 0.00 545 558 2.2 -21.3 1015.0 51 045SCT084 CLR 258FEW293 62 59 15.0 0.0 0.611 8.6 132 05/05 00Z 59 43 274 10 0.00 0.00 546 558 2.4 -20.8 1014.2 73 039BKN085 CLR 243SCT309 62 58 15.0 0.0 0.620 8.3 135 05/05 03Z 55 45 267 7 0.00 0.00 546 558 2.7 -20.0 1015.1 100 055BKN085 214BKN237 237OVC311 59 55 15.0 0.0 0.600 7.3 138 05/05 06Z 53 45 259 5 0.00 0.00 546 560 3.0 -19.1 1016.1 100 056SCT084 213BKN237 239OVC306 59 52 15.0 0.0 0.604 7.1 141 05/05 09Z 51 45 213 3 0.00 0.00 547 560 2.6 -18.6 1015.9 28 CLR 144FEW157 251FEW277 52 51 15.0 0.0 0.595 6.7 144 05/05 12Z 49 45 149 4 0.00 0.00 548 561 2.3 -17.6 1015.9 46 CLR 144FEW157 281SCT325 52 49 15.0 0.0 0.598 6.5 147 05/05 15Z 53 45 141 4 0.00 0.00 549 563 2.5 -16.9 1017.1 70 055FEW061 CLR 256BKN319 53 49 15.0 0.0 0.699 6.7 150 05/05 18Z 59 45 265 3 0.00 0.00 551 565 3.0 -15.3 1017.2 56 056FEW062 CLR 259BKN328 60 49 15.0 0.0 0.758 7.9 153 05/05 21Z 62 47 280 11 0.00 0.00 552 567 3.2 -15.2 1017.3 19 052FEW059 177FEW191 325FEW341 62 59 15.0 0.0 0.797 9.0 156 05/06 00Z 61 47 284 10 0.00 0.00 553 568 5.1 -14.9 1017.0 33 059FEW066 158FEW186 304FEW317 62 59 15.0 0.0 0.780 9.0 159 05/06 03Z 55 48 290 7 0.00 0.00 554 568 5.9 -14.9 1017.8 9 103FEW119 119FEW137 284FEW312 61 55 15.0 0.0 0.790 9.0 162 05/06 06Z 53 47 292 4 0.00 0.00 554 569 6.8 -15.3 1018.2 7 098FEW115 119FEW137 CLR 61 53 15.0 0.0 0.763 10.4 165 05/06 09Z 52 47 282 2 0.00 0.00 554 569 6.6 -16.0 1018.2 2 CLR CLR 322FEW333 53 52 15.0 0.0 0.742 11.0 168 05/06 12Z 51 47 170 1 0.00 0.00 555 570 6.5 -16.4 1018.7 1 CLR CLR CLR 53 51 15.0 0.0 0.734 10.9