Choose Date:
Archive:
Water Year
Loading...
MF FLATHEAD - NEAR WEST GLACIER
(
WGCM8
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1680
1680
99
1690
1697
APR-JUL
1553
1553
99
1553
1576
APR-AUG
1633
1633
99
1633
1651
JAN-SEP
2115
2115
113
2126
1865
JAN-JUL
1988
1988
114
1988
1744
OCT-SEP
2563
2563
124
2573
2065
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
APR-SEP
1680
1680
99
1690
1697
APR-JUL
1553
1553
99
1553
1576
APR-AUG
1633
1633
99
1633
1651
JAN-SEP
2115
2115
113
2125
1865
JAN-JUL
1988
1988
114
1988
1744
OCT-SEP
2563
2563
124
2573
2065
Reference
ESP with 0 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
APR-SEP
1680
1680
99
1693
1697
APR-JUL
1553
1553
99
1553
1576
APR-AUG
1633
1633
99
1633
1651
JAN-SEP
2115
2115
113
2128
1865
JAN-JUL
1988
1988
114
1988
1744
OCT-SEP
2563
2563
124
2575
2065
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 190, 258, 335, 399, 435, 70, , 74
ESP10, 187, 254, 332, 394, 429, 72, , 76
ESP10, 188, 253, 333, 394, 433, 75, , 79
ESP10, 189, 252, 332, 393, 433, 77, , 81
ESP10, 191, 251, 334, 392, 432, 79, , 83
ESP10, 181, 240, 325, 381, 427, 81, , 85
ESP10, 190, 247, 333, 389, 436, 84, , 88
ESP10, 193, 248, 333, 389, 437, 86, , 90
ESP10, 196, 248, 335, 390, 443, 88, , 92
ESP10, 194, 246, 329, 386, 437, 90, , 94
ESP10, 195, 244, 326, 382, 435, 92, , 96
ESP10, 207, 251, 338, 392, 444, 95, , 99
ESP10, 209, 252, 339, 391, 446, 97, , 101
ESP10, 209, 251, 338, 390, 445, 99, , 103
ESP10, 204, 247, 332, 384, 439, 101, , 105
ESP10, 199, 241, 323, 374, 428, 104, , 108
ESP10, 191, 234, 313, 366, 421, 106, , 110
ESP10, 201, 242, 321, 375, 429, 108, , 112
ESP10, 194, 234, 313, 370, 420, 110, , 114
ESP10, 195, 237, 315, 378, 421, 113, , 117
ESP10, 182, 234, 302, 366, 408, 115, , 119
ESP10, 190, 241, 309, 374, 413, 117, , 121
ESP10, 181, 234, 299, 367, 407, 119, , 123
ESP10, 192, 241, 316, 380, 416, 121, , 125
ESP10, 192, 247, 311, 379, 422, 124, , 128
ESP10, 191, 246, 313, 378, 427, 126, , 130
ESP10, 197, 247, 318, 377, 431, 128, , 132
ESP10, 203, 248, 321, 379, 441, 130, , 134
ESP10, 206, 242, 315, 371, 435, 133, , 137
ESP10, 193, 235, 296, 352, 417, 135, , 139
ESP10, 204, 246, 307, 364, 427, 137, , 141
ESP10, 209, 246, 307, 370, 430, 139, , 143
ESP10, 192, 229, 291, 353, 415, 141, , 145
ESP10, 208, 244, 306, 369, 431, 144, , 148
ESP10, 209, 246, 305, 369, 430, 146, , 150
ESP10, 211, 248, 307, 374, 437, 148, , 152
ESP10, 212, 247, 306, 374, 437, 150, , 154
ESP10, 195, 232, 293, 358, 421, 153, , 157
ESP10, 201, 241, 306, 370, 426, 155, , 159
ESP10, 201, 246, 309, 368, 425, 157, , 161
ESP10, 203, 248, 318, 372, 430, 159, , 163
ESP10, 223, 265, 339, 390, 446, 161, , 165
ESP10, 225, 265, 336, 388, 443, 164, , 168
ESP10, 230, 272, 345, 391, 444, 166, , 170
ESP10, 219, 256, 330, 376, 429, 168, , 172
ESP10, 236, 274, 345, 392, 449, 170, , 174
ESP10, 222, 259, 329, 378, 435, 173, , 177
ESP10, 241, 273, 342, 392, 448, 175, , 179
ESP10, 234, 263, 334, 387, 441, 177, , 181
ESP10, 239, 269, 343, 395, 448, 179, , 183
ESP10, 230, 264, 338, 390, 440, 182, , 186
ESP10, 237, 272, 343, 393, 446, 184, , 188
ESP10, 231, 264, 338, 383, 435, 186, , 190
ESP10, 235, 268, 346, 387, 439, 188, , 192
ESP10, 236, 266, 340, 381, 436, 190, , 194
ESP10, 238, 263, 338, 379, 435, 193, , 197
ESP10, 234, 260, 333, 374, 433, 195, , 199
ESP10, 230, 262, 329, 372, 429, 197, , 201
ESP10, 236, 270, 334, 378, 433, 199, , 203
ESP10, 225, 257, 322, 372, 421, 202, , 206
ESP10, 211, 245, 304, 358, 406, 204, , 208
ESP10, 225, 256, 315, 369, 418, 206, , 210
ESP10, 201, 231, 292, 346, 395, 208, , 212
ESP10, 183, 211, 276, 329, 379, 210, , 214
ESP10, 192, 220, 285, 341, 386, 213, , 217
ESP10, 194, 224, 293, 342, 389, 215, , 219
ESP10, 201, 234, 305, 350, 400, 217, , 221
ESP10, 190, 224, 294, 340, 390, 219, , 223
ESP10, 163, 191, 262, 309, 361, 222, , 226
ESP10, 159, 184, 252, 299, 356, 224, , 228
ESP10, 157, 182, 247, 297, 354, 226, , 230
ESP10, 177, 206, 265, 316, 381, 228, , 232
ESP10, 193, 226, 281, 333, 396, 230, , 234
ESP10, 185, 214, 269, 323, 392, 233, , 237
ESP10, 199, 227, 285, 338, 408, 235, , 239
ESP10, 198, 225, 290, 339, 406, 237, , 241
ESP10, 222, 249, 315, 361, 425, 239, , 243
ESP10, 221, 251, 313, 360, 425, 242, , 246
ESP10, 232, 263, 322, 368, 431, 244, , 248
ESP10, 232, 276, 324, 370, 433, 246, , 250
ESP10, 238, 287, 329, 376, 438, 248, , 252
ESP10, 240, 286, 329, 376, 436, 251, , 255
ESP10, 245, 290, 342, 382, 440, 253, , 257
ESP10, 247, 287, 341, 379, 439, 255, , 259
ESP10, 239, 274, 329, 366, 428, 257, , 261
ESP10, 241, 276, 332, 371, 435, 259, , 263
ESP10, 239, 276, 330, 375, 432, 262, , 266
ESP10, 245, 286, 340, 385, 440, 264, , 268
ESP10, 250, 295, 347, 386, 442, 266, , 270
ESP10, 256, 297, 351, 392, 446, 268, , 272
ESP10, 271, 317, 364, 403, 456, 271, , 275
ESP10, 270, 313, 361, 402, 453, 273, , 277
ESP10, 274, 310, 357, 399, 451, 275, , 279
ESP10, 276, 313, 359, 401, 455, 277, , 281
ESP10, 275, 309, 361, 397, 449, 279, , 283
ESP10, 272, 313, 362, 400, 447, 282, , 286
ESP10, 274, 319, 364, 401, 449, 284, , 288
ESP10, 283, 323, 369, 404, 455, 286, , 290
ESP10, 285, 326, 371, 406, 456, 288, , 292
ESP10, 288, 327, 372, 407, 458, 291, , 295
ESP10, 289, 329, 376, 412, 459, 293, , 297
ESP10, 291, 331, 378, 413, 459, 295, , 299
ESP10, 293, 331, 378, 414, 459, 297, , 301
ESP10, 287, 326, 375, 410, 457, 299, , 303
ESP10, 289, 327, 376, 410, 468, 302, , 306
ESP10, 291, 332, 375, 408, 466, 304, , 308
ESP10, 294, 338, 377, 409, 467, 306, , 310
ESP10, 298, 340, 381, 416, 470, 308, , 312
ESP10, 295, 339, 381, 415, 469, 311, , 315
ESP10, 305, 349, 389, 424, 476, 313, , 317
ESP10, 307, 353, 389, 423, 475, 315, , 319
ESP10, 308, 355, 392, 424, 476, 317, , 321
ESP10, 307, 356, 392, 423, 475, 320, , 324
ESP10, 310, 361, 395, 426, 479, 322, , 326
ESP10, 310, 363, 397, 427, 483, 324, , 328
ESP10, 313, 366, 398, 428, 483, 326, , 330
ESP10, 315, 366, 399, 431, 484, 328, , 332
ESP10, 319, 371, 402, 434, 486, 331, , 335
ESP10, 322, 371, 400, 433, 484, 333, , 337
ESP10, 322, 372, 405, 433, 483, 335, , 339
ESP10, 326, 375, 405, 434, 484, 337, , 341
ESP10, 325, 369, 400, 429, 479, 340, , 344
ESP10, 323, 366, 400, 428, 476, 342, , 346
ESP10, 322, 366, 400, 428, 476, 344, , 348
ESP10, 330, 374, 405, 434, 487, 346, , 350
ESP10, 327, 373, 401, 431, 484, 348, , 352
ESP10, 321, 365, 395, 426, 479, 351, , 355
ESP10, 327, 366, 397, 427, 478, 353, , 357
ESP10, 326, 361, 393, 422, 472, 355, , 359
ESP10, 338, 373, 405, 433, 483, 357, , 361
ESP10, 343, 380, 411, 440, 491, 360, , 364
ESP10, 345, 380, 411, 443, 492, 362, , 366
ESP10, 342, 376, 407, 439, 488, 364, , 368
ESP10, 345, 379, 409, 439, 491, 366, , 370
ESP10, 339, 375, 406, 436, 486, 368, , 372
ESP10, 337, 371, 407, 434, 483, 371, , 375
ESP10, 334, 369, 410, 434, 480, 373, , 377
ESP10, 337, 372, 415, 440, 484, 375, , 379
ESP10, 329, 365, 408, 433, 475, 377, , 381
ESP10, 337, 370, 412, 438, 479, 380, , 384
ESP10, 336, 366, 406, 438, 478, 382, , 386
ESP10, 338, 363, 405, 435, 476, 384, , 388
ESP10, 328, 353, 400, 426, 466, 386, , 390
ESP10, 329, 355, 402, 426, 466, 389, , 393
ESP10, 338, 361, 408, 435, 470, 391, , 395
ESP10, 351, 371, 419, 443, 479, 393, , 397
ESP10, 357, 375, 420, 446, 480, 395, , 399
ESP10, 355, 375, 421, 446, 479, 397, , 401
ESP10, 354, 374, 419, 445, 477, 400, , 404
ESP10, 349, 371, 412, 439, 467, 402, , 406
ESP10, 362, 379, 419, 447, 473, 404, , 408
ESP10, 356, 375, 415, 441, 465, 406, , 410
ESP10, 358, 380, 416, 444, 468, 409, , 413
ESP10, 352, 374, 411, 439, 460, 411, , 415
ESP10, 349, 371, 409, 436, 461, 413, , 417
ESP10, 349, 371, 406, 434, 459, 415, , 419
ESP10, 341, 363, 398, 427, 450, 417, , 421
ESP10, 342, 366, 398, 431, 451, 420, , 424
ESP10, 332, 357, 392, 422, 441, 422, , 426
ESP10, 345, 371, 408, 434, 454, 424, , 428
ESP10, 357, 383, 419, 445, 467, 426, , 430
ESP10, 361, 388, 421, 449, 469, 429, , 433
ESP10, 360, 390, 422, 448, 471, 431, , 435
ESP10, 364, 396, 426, 453, 475, 433, , 437
ESP10, 360, 392, 422, 450, 471, 435, , 439
ESP10, 353, 386, 420, 444, 467, 438, , 442
ESP10, 345, 378, 415, 438, 461, 440, , 444
ESP10, 345, 384, 416, 439, 463, 442, , 446
ESP10, 340, 377, 409, 433, 457, 444, , 448
ESP10, 337, 372, 406, 427, 452, 446, , 450
ESP10, 333, 365, 400, 422, 445, 449, , 453
ESP10, 318, 349, 385, 405, 431, 451, , 455
ESP10, 320, 354, 387, 409, 433, 453, , 457
ESP10, 313, 346, 378, 401, 425, 455, , 459
ESP10, 311, 346, 377, 401, 423, 458, , 462
ESP10, 312, 345, 376, 401, 424, 460, , 464
ESP10, 306, 336, 368, 397, 415, 462, , 466
ESP10, 312, 341, 380, 402, 419, 464, , 468
ESP10, 313, 341, 379, 404, 420, 466, , 470
ESP10, 317, 346, 382, 408, 423, 469, , 473
ESP10, 320, 347, 381, 409, 423, 471, , 475
ESP10, 317, 347, 378, 407, 422, 473, , 477
ESP10, 315, 344, 375, 404, 421, 475, , 479
ESP10, 326, 358, 389, 414, 432, 478, , 482
ESP10, 326, 357, 400, 414, 432, 480, , 484
ESP10, 322, 352, 397, 410, 427, 482, , 486
ESP10, 323, 352, 396, 410, 429, 484, , 488
ESP10, 330, 361, 403, 419, 439, 486, , 490
ESP10, 325, 359, 398, 416, 435, 489, , 493
ESP10, 321, 353, 390, 411, 427, 491, , 495
ESP10, 318, 355, 386, 410, 427, 493, , 497
ESP10, 323, 359, 390, 414, 430, 495, , 499
ESP10, 324, 360, 390, 415, 433, 498, , 502
ESP10, 315, 349, 379, 405, 422, 500, , 504
ESP10, 319, 358, 381, 406, 424, 502, , 506
ESP10, 320, 362, 391, 409, 425, 504, , 508
ESP10, 305, 346, 374, 393, 409, 507, , 511
ESP10, 329, 364, 394, 410, 426, 509, , 513
ESP10, 334, 363, 394, 410, 427, 511, , 515
ESP10, 339, 366, 399, 414, 431, 513, , 517
ESP10, 339, 365, 400, 418, 431, 515, , 519
ESP10, 339, 361, 396, 416, 427, 518, , 522
ESP10, 340, 361, 401, 416, 426, 520, , 524
ESP10, 318, 342, 380, 396, 406, 522, , 526
ESP10, 313, 340, 374, 391, 402, 524, , 528
ESP10, 311, 341, 372, 390, 402, 527, , 531
ESP10, 311, 338, 373, 388, 401, 529, , 533
ESP10, 315, 342, 375, 391, 403, 531, , 535
ESP10, 315, 341, 375, 391, 402, 533, , 537
ESP10, 314, 348, 375, 391, 400, 535, , 539
ESP10, 314, 348, 375, 392, 405, 538, , 542
ESP10, 317, 350, 381, 396, 408, 540, , 544
ESP10, 350, 384, 415, 434, 442, 542, , 546
ESP10, 352, 385, 413, 433, 442, 544, , 548
ESP10, 346, 376, 405, 426, 434, 547, , 551
ESP10, 346, 375, 405, 426, 436, 549, , 553
ESP10, 344, 372, 405, 425, 435, 551, , 555
ESP10, 341, 370, 403, 423, 432, 553, , 557
ESP10, 339, 363, 395, 415, 424, 555, , 559
ESP10, 338, 364, 397, 414, 425, 558, , 562
ESP10, 341, 363, 398, 413, 423, 560, , 564
ESP10, 343, 364, 398, 411, 423, 562, , 566
ESP10, 341, 361, 391, 406, 419, 564, , 568
ESP10, 344, 365, 398, 409, 422, 567, , 571
ESP10, 326, 347, 381, 397, 405, 569, , 573
ESP10, 334, 356, 389, 405, 411, 571, , 575
ESP10, 328, 354, 382, 397, 406, 573, , 577
ESP10, 321, 349, 377, 393, 399, 576, , 580
ESP10, 324, 356, 383, 395, 402, 578, , 582
ESP10, 327, 360, 388, 396, 403, 580, , 584
ESP10, 320, 357, 382, 391, 397, 582, , 586
ESP10, 318, 356, 381, 389, 393, 584, , 588
ESP10, 321, 355, 377, 385, 389, 587, , 591
ESP10, 312, 347, 369, 375, 382, 589, , 593
ESP10, 318, 351, 373, 379, 385, 591, , 595
ESP10, 318, 351, 371, 377, 384, 593, , 597
ESP10, 310, 345, 364, 372, 376, 596, , 600
ESP10, 336, 370, 390, 394, 400, 598, , 602
ESP10, 342, 359, 377, 383, 387, 600, , 604
ESP10, 329, 346, 365, 373, 376, 602, , 606
ESP10, 341, 360, 376, 385, 389, 604, , 608
ESP10, 344, 363, 378, 388, 392, 607, , 611
ESP10, 338, 357, 369, 379, 385, 609, , 613
ESP10, 331, 352, 365, 375, 380, 611, , 615
ESP10, 329, 349, 366, 373, 378, 613, , 617
ESP10, 318, 337, 351, 358, 361, 616, , 620
ESP10, 328, 345, 357, 363, 368, 618, , 622
ESP10, 330, 348, 361, 368, 373, 620, , 624
ESP10, 350, 366, 377, 384, 387, 622, , 626
ESP10, 354, 362, 372, 380, 383, 624, , 628
ESP10, 353, 363, 372, 379, 382, 627, , 631
ESP10, 362, 369, 375, 380, 382, 629, , 633
ESP10, 364, 373, 377, 382, 383, 631, , 635
ESP10, 362, 371, 376, 380, 382, 633, , 637
ESP10, 369, 377, 382, 385, 387, 636, , 640
ESP10, 372, 378, 383, 386, 388, 638, , 642
ESP10, 374, 379, 384, 386, 389, 640, , 644
ESP10, 375, 379, 384, 387, 389, 642, , 646
ESP10, 372, 378, 383, 385, 386, 645, , 649
ESP10, 375, 380, 385, 387, 388, 647, , 651
ESP10, 373, 379, 383, 385, 386, 649, , 653
ESP10, 372, 378, 382, 383, 384, 651, , 655
ESP10, 371, 377, 381, 383, 384, 653, , 657
ESP10, 366, 372, 376, 378, 378, 656, , 660
ESP10, 368, 374, 376, 378, 378, 658, , 662
ESP10, 370, 377, 379, 380, 380, 660, , 664
ESP10, 367, 374, 376, 377, 377, 662, , 666
ESP10, 362, 369, 371, 371, 371, 665, , 669
ESP10, 354, 361, 363, 363, 363, 667, , 671
ESP10, 346, 352, 353, 353, 353, 669, , 673
ESP10, 350, 355, 356, 356, 356, 671, , 675
ESP10, 353, 358, 360, 360, 360, 673, , 677
ESP10, 352, 358, 359, 359, 359, 676, , 680
ESP10, 350, 355, 356, 356, 356, 678, , 682
ESP10, 349, 354, 356, 356, 356, 680, , 684
ESP10, 343, 349, 350, 350, 350, 682, , 686
ESP10, 344, 348, 350, 350, 350, 685, , 689
ESP10, 345, 348, 349, 349, 349, 687, , 691
ESP10, 345, 348, 349, 349, 349, 689, , 693
ESP10, 345, 348, 349, 349, 349, 691, , 695
ESP10, 345, 347, 348, 348, 348, 693, , 697
ESP10, 346, 347, 348, 348, 348, 696, , 700
ESP10, 343, 345, 347, 347, 347, 698, , 702
ESP10, 344, 346, 347, 347, 347, 700, , 704
ESP10, 343, 346, 347, 347, 347, 702, , 706
ESP10, 342, 346, 346, 346, 346, 705, , 709
ESP10, 344, 346, 347, 347, 347, 707, , 711
ESP10, 344, 346, 347, 347, 347, 709, , 713
ESP10, 344, 346, 346, 346, 346, 711, , 715
ESP10, 344, 346, 346, 346, 346, 714, , 718
ESP10, 343, 346, 346, 346, 346, 716, , 720
ESP10, 344, 346, 346, 346, 346, 718, , 722
ESP10, 344, 346, 346, 346, 346, 720, , 724
ESP10, 344, 346, 346, 346, 346, 722, , 726
ESP10, 344, 346, 347, 347, 347, 725, , 729
ESP10, 344, 346, 347, 347, 347, 727, , 731
ESP10, 344, 346, 347, 347, 347, 729, , 733
ESP10, 344, 347, 347, 347, 347, 731, , 735
ESP10, 345, 347, 347, 347, 347, 734, , 738
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/WGCM8W_SQIN.ESPF10.csv
WGCM8W_SQIN.ESPF0.csv|2026-07-27
WGCM8W_SQIN.ESPF10.csv|2026-07-27
WGCM8W_SQIN.ESPFM.csv|2026-07-27
APR-SEP
MF FLATHEAD - NEAR WEST GLACIER
(
WGCM8
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-07-27
Issued:
2026-07-27
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1242
1768
104
2526
1697
APR-JUL
1130
1631
104
2318
1576
APR-AUG
1196
1713
104
2460
1651
JAN-SEP
1272
1871
100
2577
1865
JAN-JUL
1161
1721
99
2390
1744
OCT-SEP
1350
2013
97
2738
2065
Move the mouse over the desired "Forecast Period" to display a graph.
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
Show Tooltips Help
Overlay
ESP10
Data Files
/chpsesp/ensemble/watersupply/WGCM8W_SQIN.ESPF10.csv
WGCM8W_SQIN.ESPF0.csv|2026-07-27
WGCM8W_SQIN.ESPF10.csv|2026-07-27
WGCM8W_SQIN.ESPFM.csv|2026-07-27
APR-SEP
Commerce Home
|
NOAA
|
NWS Organization
|
NWRFC Site Map
|
Search
Freedom of Information Act
|
Privacy Policy
|
Information Quality
|
USA.gov
|
Career Opportunities
#FFF68F
#33CCFF
#404040
#660066
#F00007
#66CCFF
ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
