Station ID: KOAK Lat: 37.71 Long: 122.23 GFS Model Run: 12Z 16JAN 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 01/16 12Z 53 44 57 3 0.00 0.00 566 580 15.2 -13.4 1017.1 0 CLR CLR CLR **** **** 15.0 0.0 0.327 18.4 3 01/16 15Z 51 45 48 3 0.00 0.00 565 580 15.4 -13.2 1017.8 0 CLR CLR CLR 53 51 15.0 0.0 0.320 17.6 6 01/16 18Z 57 46 29 3 0.00 0.00 565 581 15.8 -13.0 1018.8 0 CLR CLR CLR 57 50 15.0 0.0 0.333 16.6 9 01/16 21Z 63 48 350 1 0.00 0.00 566 580 16.1 -13.0 1017.3 0 CLR CLR CLR 63 57 15.0 0.0 0.332 17.5 12 01/17 00Z 63 47 12 3 0.00 0.00 566 581 15.6 -12.8 1016.8 0 CLR CLR CLR 65 57 15.0 0.0 0.323 17.1 15 01/17 03Z 55 44 51 3 0.00 0.00 566 581 15.7 -12.1 1018.2 0 CLR CLR CLR 62 55 15.0 0.0 0.295 18.0 18 01/17 06Z 53 41 54 3 0.00 0.00 566 582 16.4 -12.3 1018.9 0 CLR CLR CLR 62 53 15.0 0.0 0.270 17.9 21 01/17 09Z 52 39 62 3 0.00 0.00 566 582 16.1 -12.2 1018.8 0 CLR CLR CLR 53 52 15.0 0.0 0.254 18.1 24 01/17 12Z 50 38 49 3 0.00 0.00 566 582 15.6 -12.2 1019.5 2 CLR CLR FEW 53 50 15.0 0.0 0.254 17.6 27 01/17 15Z 49 37 48 3 0.00 0.00 565 582 15.4 -12.2 1020.6 91 CLR CLR 339BKN370 50 49 15.0 0.0 0.250 17.5 30 01/17 18Z 56 40 51 2 0.00 0.00 566 584 15.7 -12.0 1021.6 96 CLR CLR 334BKN376 56 49 15.0 0.0 0.256 17.5 33 01/17 21Z 62 44 344 2 0.00 0.00 566 583 15.8 -12.1 1020.1 100 CLR CLR 318OVC375 63 56 15.0 0.0 0.272 17.9 36 01/18 00Z 61 46 336 2 0.00 0.00 566 582 15.6 -12.4 1019.7 100 CLR CLR 311OVC374 64 56 15.0 0.0 0.285 18.0 39 01/18 03Z 55 46 49 2 0.00 0.00 565 583 15.8 -12.7 1020.9 100 CLR CLR 288OVC373 61 55 15.0 0.0 0.285 18.0 42 01/18 06Z 54 45 73 2 0.00 0.00 565 583 15.8 -13.2 1021.4 100 CLR CLR 276OVC364 61 54 15.0 0.0 0.294 17.8 45 01/18 09Z 53 43 44 3 0.00 0.00 564 582 15.5 -14.0 1021.4 100 CLR 227BKN245 252OVC341 54 53 15.0 0.0 0.333 17.7 48 01/18 12Z 52 42 4 3 0.00 0.00 563 580 14.8 -15.0 1021.4 100 CLR 216BKN244 248OVC308 54 52 15.0 0.0 0.339 16.8 51 01/18 15Z 51 41 8 3 0.00 0.00 562 580 14.6 -14.7 1021.6 96 CLR 184BKN224 251FEW266 52 50 15.0 0.0 0.465 16.6 54 01/18 18Z 57 42 40 2 0.00 0.00 562 580 15.2 -14.7 1021.3 93 CLR 167BKN211 251FEW266 57 50 15.0 0.0 0.467 17.3 57 01/18 21Z 64 42 324 2 0.00 0.00 562 579 15.0 -13.3 1019.3 44 CLR 149SCT168 338FEW349 64 57 15.0 0.0 0.442 17.3 60 01/19 00Z 63 43 313 3 0.00 0.00 562 578 14.6 -13.1 1018.6 26 CLR 149FEW168 328FEW350 65 57 15.0 0.0 0.425 17.5 63 01/19 03Z 56 42 43 2 0.00 0.00 562 578 14.6 -12.8 1018.8 2 CLR CLR 305FEW316 63 56 15.0 0.0 0.419 17.3 66 01/19 06Z 54 41 66 2 0.00 0.00 562 578 14.7 -13.2 1018.9 4 CLR CLR 323FEW348 63 54 15.0 0.0 0.377 16.9 69 01/19 09Z 53 40 52 2 0.00 0.00 562 577 14.1 -13.8 1018.6 46 CLR CLR 326SCT360 54 53 15.0 0.0 0.402 16.4 72 01/19 12Z 52 39 68 2 0.00 0.00 562 577 14.6 -13.8 1018.0 27 CLR CLR 329SCT360 54 52 15.0 0.0 0.440 16.8 75 01/19 15Z 50 40 56 3 0.00 0.00 561 576 14.4 -14.0 1018.3 21 CLR CLR 280FEW301 51 50 15.0 0.0 0.386 16.0 78 01/19 18Z 57 42 36 2 0.00 0.00 561 577 14.2 -14.3 1019.0 50 CLR CLR 261SCT287 57 50 15.0 0.0 0.359 15.6 81 01/19 21Z 64 42 328 3 0.00 0.00 562 577 13.8 -14.3 1017.3 62 CLR CLR 274BKN307 64 57 15.0 0.0 0.344 15.9 84 01/20 00Z 62 44 336 2 0.00 0.00 562 576 14.2 -14.5 1016.3 67 CLR CLR 277BKN307 64 57 15.0 0.0 0.347 15.8 87 01/20 03Z 55 43 58 2 0.00 0.00 562 577 14.2 -14.3 1017.3 11 CLR CLR 304FEW323 62 55 15.0 0.0 0.335 15.9 90 01/20 06Z 53 43 62 3 0.00 0.00 562 577 14.2 -14.3 1017.9 9 CLR CLR 307FEW324 62 53 15.0 0.0 0.335 15.6 93 01/20 09Z 51 43 45 3 0.00 0.00 562 576 13.7 -14.4 1017.9 4 CLR CLR 332FEW343 53 51 15.0 0.0 0.345 15.3 96 01/20 12Z 50 44 46 3 0.00 0.00 561 576 13.5 -14.5 1018.0 5 CLR CLR 324FEW343 53 50 15.0 0.0 0.353 14.9 99 01/20 15Z 49 44 62 3 0.00 0.00 561 576 13.6 -14.6 1018.4 4 CLR CLR 303FEW315 50 49 15.0 0.0 0.352 15.0 102 01/20 18Z 56 45 41 2 0.00 0.00 561 576 13.2 -14.7 1019.1 3 CLR CLR 304FEW317 56 49 15.0 0.0 0.354 14.9 105 01/20 21Z 63 46 308 3 0.00 0.00 561 575 12.8 -14.7 1017.5 0 CLR CLR CLR 63 56 15.0 0.0 0.362 14.6 108 01/21 00Z 61 47 294 3 0.00 0.00 561 575 12.9 -14.9 1016.7 3 CLR CLR 303FEW325 64 56 15.0 0.0 0.372 14.5 111 01/21 03Z 55 45 51 2 0.00 0.00 560 575 12.2 -14.9 1017.5 7 CLR CLR 304FEW320 61 55 15.0 0.0 0.394 14.4 114 01/21 06Z 53 45 84 2 0.00 0.00 560 575 12.3 -14.6 1017.4 13 CLR CLR 302FEW327 61 53 15.0 0.0 0.402 14.5 117 01/21 09Z 53 45 71 2 0.00 0.00 559 574 11.7 -15.2 1017.6 100 CLR CLR 256OVC338 53 53 15.0 0.0 0.438 13.8 120 01/21 12Z 51 44 49 2 0.00 0.00 559 573 11.1 -15.4 1017.4 84 CLR 232FEW242 259BKN327 53 51 15.0 0.0 0.459 13.2 123 01/21 15Z 50 43 55 2 0.00 0.00 558 573 10.7 -15.5 1017.9 61 CLR 230FEW242 276BKN351 51 50 15.0 0.0 0.452 12.9 126 01/21 18Z 56 44 31 2 0.00 0.00 558 573 10.6 -16.0 1018.5 80 CLR 228FEW242 275BKN356 56 50 15.0 0.0 0.462 12.9 129 01/21 21Z 61 44 296 3 0.00 0.00 558 573 10.2 -16.6 1017.6 84 CLR 189SCT241 257BKN342 61 56 15.0 0.0 0.457 12.5 132 01/22 00Z 60 44 301 4 0.00 0.00 558 572 10.0 -16.7 1016.5 92 CLR 184BKN241 248BKN356 62 56 15.0 0.0 0.463 12.3 135 01/22 03Z 55 43 354 3 0.00 0.00 557 572 10.3 -17.1 1017.0 100 CLR 176OVC241 241OVC360 60 55 15.0 0.0 0.454 12.8 138 01/22 06Z 53 43 35 1 0.00 0.00 556 571 9.9 -17.2 1017.5 100 CLR 169BKN241 241OVC355 60 53 15.0 0.0 0.486 12.4 141 01/22 09Z 52 43 55 1 0.00 0.00 555 569 9.4 -17.5 1017.2 93 CLR 158SCT241 244BKN341 53 52 15.0 0.0 0.500 12.0 144 01/22 12Z 50 42 98 2 0.00 0.00 554 568 9.8 -18.1 1016.3 81 CLR 167SCT240 249BKN335 53 50 15.0 0.0 0.538 11.9 147 01/22 15Z 50 42 152 3 0.00 0.00 553 567 9.8 -18.2 1016.1 59 CLR 172FEW231 244BKN310 51 50 15.0 0.0 0.587 11.3 150 01/22 18Z 55 44 184 2 0.00 0.00 552 566 9.8 -18.8 1016.5 68 CLR 188FEW237 245SCT312 56 50 15.0 0.0 0.595 11.1 153 01/22 21Z 58 48 273 5 0.00 0.00 551 564 9.3 -20.2 1014.8 46 CLR 174SCT236 244SCT282 58 55 15.0 0.0 0.615 10.2 156 01/23 00Z 54 46 260 6 0.00 0.00 549 561 8.7 -21.2 1014.0 66 CLR 157BKN206 240FEW277 58 54 15.0 0.0 0.590 9.7 159 01/23 03Z 50 46 260 6 0.00 0.00 547 558 7.6 -21.7 1013.9 100 CLR 162OVC225 237SCT263 54 50 15.0 0.0 0.580 7.8 162 01/23 06Z 49 45 253 6 0.00 0.00 546 557 6.7 -23.7 1013.5 69 FEW 171BKN225 236FEW262 54 49 15.0 0.0 0.359 7.0 165 01/23 09Z 48 44 242 5 0.00 0.00 545 556 6.2 -23.6 1013.0 4 FEW CLR CLR 49 48 15.0 0.0 0.427 5.6 168 01/23 12Z 48 44 204 3 0.00 0.00 544 555 5.6 -23.6 1012.7 14 015FEW024 CLR CLR 49 48 15.0 0.0 0.420 4.7