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Water Year
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NF FLATHEAD - NEAR COLUMBIA FALLS
(
FCFM8
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1685
1685
96
1686
1750
APR-JUL
1562
1562
98
1562
1600
APR-AUG
1632
1632
97
1632
1690
JAN-SEP
2085
2085
109
2086
1921
JAN-JUL
1962
1962
111
1962
1771
OCT-SEP
2464
2464
116
2465
2133
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
1685
1685
96
1687
1750
APR-JUL
1562
1562
98
1562
1600
APR-AUG
1632
1632
97
1632
1690
JAN-SEP
2085
2085
109
2086
1921
JAN-JUL
1962
1962
111
1962
1771
OCT-SEP
2464
2464
116
2465
2133
Reference
ESP with 0 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
APR-SEP
1685
1685
96
1690
1750
APR-JUL
1562
1562
98
1562
1600
APR-AUG
1632
1632
97
1632
1690
JAN-SEP
2085
2085
109
2090
1921
JAN-JUL
1962
1962
111
1962
1771
OCT-SEP
2464
2464
116
2469
2133
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 207, 268, 338, 399, 458, 70, , 74
ESP10, 206, 266, 335, 395, 456, 72, , 76
ESP10, 208, 269, 336, 397, 465, 74, , 78
ESP10, 206, 267, 335, 395, 464, 76, , 80
ESP10, 206, 267, 343, 394, 464, 78, , 82
ESP10, 197, 257, 342, 387, 460, 81, , 85
ESP10, 206, 267, 350, 393, 468, 83, , 87
ESP10, 207, 266, 349, 391, 467, 85, , 89
ESP10, 208, 268, 349, 392, 469, 87, , 91
ESP10, 208, 267, 346, 390, 466, 89, , 93
ESP10, 213, 267, 346, 390, 467, 91, , 95
ESP10, 219, 277, 355, 395, 471, 93, , 97
ESP10, 221, 279, 357, 395, 471, 95, , 99
ESP10, 220, 279, 358, 394, 472, 97, , 101
ESP10, 214, 273, 352, 390, 467, 99, , 103
ESP10, 207, 267, 347, 384, 462, 101, , 105
ESP10, 197, 270, 336, 377, 453, 103, , 107
ESP10, 209, 279, 344, 386, 459, 106, , 110
ESP10, 205, 276, 340, 383, 454, 108, , 112
ESP10, 214, 285, 345, 391, 457, 110, , 114
ESP10, 209, 285, 339, 382, 449, 112, , 116
ESP10, 217, 289, 343, 393, 452, 114, , 118
ESP10, 208, 280, 336, 386, 452, 116, , 120
ESP10, 216, 288, 347, 397, 459, 118, , 122
ESP10, 212, 288, 342, 391, 457, 120, , 124
ESP10, 211, 284, 342, 388, 456, 122, , 126
ESP10, 211, 284, 344, 386, 457, 124, , 128
ESP10, 214, 286, 348, 388, 461, 126, , 130
ESP10, 212, 278, 341, 381, 455, 129, , 133
ESP10, 201, 263, 327, 367, 442, 131, , 135
ESP10, 212, 268, 333, 374, 446, 133, , 137
ESP10, 215, 269, 334, 380, 448, 135, , 139
ESP10, 208, 265, 331, 378, 440, 137, , 141
ESP10, 217, 272, 337, 384, 446, 139, , 143
ESP10, 217, 274, 336, 384, 445, 141, , 145
ESP10, 218, 276, 338, 387, 450, 143, , 147
ESP10, 215, 272, 334, 385, 446, 145, , 149
ESP10, 209, 266, 326, 377, 437, 147, , 151
ESP10, 217, 273, 332, 384, 442, 149, , 153
ESP10, 221, 280, 335, 380, 439, 151, , 155
ESP10, 218, 286, 333, 379, 436, 154, , 158
ESP10, 226, 294, 340, 387, 440, 156, , 160
ESP10, 227, 289, 339, 384, 438, 158, , 162
ESP10, 225, 287, 336, 380, 435, 160, , 164
ESP10, 214, 275, 323, 369, 423, 162, , 166
ESP10, 222, 284, 335, 376, 429, 164, , 168
ESP10, 211, 274, 325, 370, 419, 166, , 170
ESP10, 227, 287, 336, 384, 431, 168, , 172
ESP10, 230, 284, 334, 387, 429, 170, , 174
ESP10, 237, 287, 336, 390, 432, 172, , 176
ESP10, 233, 282, 331, 386, 427, 174, , 178
ESP10, 239, 286, 334, 387, 428, 177, , 181
ESP10, 238, 282, 329, 381, 423, 179, , 183
ESP10, 248, 291, 341, 391, 430, 181, , 185
ESP10, 245, 288, 335, 387, 424, 183, , 187
ESP10, 244, 285, 333, 386, 430, 185, , 189
ESP10, 245, 283, 332, 384, 434, 187, , 191
ESP10, 246, 283, 330, 384, 437, 189, , 193
ESP10, 247, 285, 331, 386, 439, 191, , 195
ESP10, 238, 278, 322, 376, 433, 193, , 197
ESP10, 225, 267, 312, 366, 423, 195, , 199
ESP10, 236, 279, 322, 376, 431, 197, , 201
ESP10, 230, 266, 315, 367, 422, 199, , 203
ESP10, 218, 249, 299, 354, 407, 202, , 206
ESP10, 226, 253, 305, 360, 411, 204, , 208
ESP10, 231, 258, 313, 365, 414, 206, , 210
ESP10, 237, 263, 319, 369, 417, 208, , 212
ESP10, 222, 249, 306, 356, 404, 210, , 214
ESP10, 187, 216, 273, 324, 374, 212, , 216
ESP10, 171, 204, 258, 311, 359, 214, , 218
ESP10, 160, 198, 251, 301, 348, 216, , 220
ESP10, 170, 207, 262, 312, 357, 218, , 222
ESP10, 175, 220, 268, 319, 361, 220, , 224
ESP10, 166, 211, 256, 309, 349, 222, , 226
ESP10, 174, 222, 269, 319, 357, 225, , 229
ESP10, 182, 232, 278, 326, 365, 227, , 231
ESP10, 198, 256, 300, 343, 383, 229, , 233
ESP10, 197, 259, 301, 342, 383, 231, , 235
ESP10, 195, 264, 301, 340, 381, 233, , 237
ESP10, 190, 258, 294, 335, 374, 235, , 239
ESP10, 195, 262, 301, 341, 378, 237, , 241
ESP10, 196, 267, 305, 342, 379, 239, , 243
ESP10, 216, 290, 326, 363, 399, 241, , 245
ESP10, 222, 296, 330, 366, 400, 243, , 247
ESP10, 218, 286, 322, 358, 392, 245, , 249
ESP10, 222, 288, 323, 363, 394, 248, , 252
ESP10, 224, 289, 322, 363, 398, 250, , 254
ESP10, 228, 292, 324, 370, 402, 252, , 256
ESP10, 234, 290, 325, 375, 401, 254, , 258
ESP10, 238, 289, 328, 377, 401, 256, , 260
ESP10, 246, 305, 337, 385, 407, 258, , 262
ESP10, 246, 303, 336, 382, 404, 260, , 264
ESP10, 251, 301, 335, 382, 401, 262, , 266
ESP10, 254, 302, 337, 381, 401, 264, , 268
ESP10, 252, 301, 335, 375, 395, 266, , 270
ESP10, 254, 299, 333, 372, 391, 268, , 272
ESP10, 257, 301, 336, 374, 393, 270, , 274
ESP10, 261, 306, 345, 377, 401, 273, , 277
ESP10, 263, 310, 349, 378, 403, 275, , 279
ESP10, 265, 313, 351, 379, 408, 277, , 281
ESP10, 266, 316, 354, 381, 409, 279, , 283
ESP10, 266, 316, 354, 383, 408, 281, , 285
ESP10, 266, 319, 356, 383, 409, 283, , 287
ESP10, 259, 312, 349, 375, 403, 285, , 289
ESP10, 260, 318, 351, 377, 415, 287, , 291
ESP10, 261, 317, 347, 376, 414, 289, , 293
ESP10, 267, 320, 349, 377, 415, 291, , 295
ESP10, 271, 322, 352, 383, 417, 293, , 297
ESP10, 268, 320, 351, 382, 417, 296, , 300
ESP10, 273, 329, 361, 389, 425, 298, , 302
ESP10, 274, 333, 363, 390, 425, 300, , 304
ESP10, 276, 337, 365, 391, 427, 302, , 306
ESP10, 278, 339, 366, 390, 427, 304, , 308
ESP10, 281, 341, 369, 393, 428, 306, , 310
ESP10, 281, 340, 370, 395, 428, 308, , 312
ESP10, 286, 340, 372, 394, 429, 310, , 314
ESP10, 289, 341, 374, 394, 429, 312, , 316
ESP10, 294, 340, 372, 392, 435, 314, , 318
ESP10, 294, 341, 373, 392, 437, 316, , 320
ESP10, 296, 340, 373, 393, 439, 318, , 322
ESP10, 299, 339, 373, 395, 439, 321, , 325
ESP10, 295, 336, 371, 394, 435, 323, , 327
ESP10, 291, 332, 367, 390, 431, 325, , 329
ESP10, 292, 332, 368, 391, 431, 327, , 331
ESP10, 301, 339, 373, 395, 437, 329, , 333
ESP10, 302, 341, 371, 397, 437, 331, , 335
ESP10, 297, 336, 366, 392, 429, 333, , 337
ESP10, 302, 338, 367, 394, 429, 335, , 339
ESP10, 299, 332, 363, 390, 423, 337, , 341
ESP10, 310, 345, 374, 400, 433, 339, , 343
ESP10, 319, 352, 377, 406, 440, 341, , 345
ESP10, 320, 354, 378, 407, 441, 344, , 348
ESP10, 321, 352, 376, 405, 442, 346, , 350
ESP10, 337, 365, 386, 415, 455, 348, , 352
ESP10, 339, 361, 384, 410, 451, 350, , 354
ESP10, 336, 357, 384, 406, 446, 352, , 356
ESP10, 334, 355, 383, 405, 444, 354, , 358
ESP10, 337, 359, 385, 408, 447, 356, , 360
ESP10, 330, 353, 378, 401, 439, 358, , 362
ESP10, 334, 358, 381, 410, 444, 360, , 364
ESP10, 328, 352, 381, 405, 440, 362, , 366
ESP10, 327, 351, 383, 405, 440, 364, , 368
ESP10, 318, 344, 379, 401, 434, 366, , 370
ESP10, 318, 343, 382, 401, 435, 369, , 373
ESP10, 325, 348, 387, 405, 438, 371, , 375
ESP10, 342, 355, 392, 412, 443, 373, , 377
ESP10, 344, 356, 393, 414, 443, 375, , 379
ESP10, 343, 356, 396, 415, 443, 377, , 381
ESP10, 344, 360, 396, 417, 442, 379, , 383
ESP10, 340, 358, 393, 413, 438, 381, , 385
ESP10, 344, 367, 397, 417, 441, 383, , 387
ESP10, 338, 364, 393, 414, 437, 385, , 389
ESP10, 331, 361, 387, 409, 432, 387, , 391
ESP10, 327, 356, 384, 406, 428, 389, , 393
ESP10, 328, 357, 384, 405, 424, 392, , 396
ESP10, 327, 356, 384, 404, 430, 394, , 398
ESP10, 318, 348, 375, 396, 424, 396, , 400
ESP10, 319, 349, 376, 396, 425, 398, , 402
ESP10, 310, 339, 367, 387, 414, 400, , 404
ESP10, 318, 351, 377, 397, 423, 402, , 406
ESP10, 329, 363, 387, 405, 432, 404, , 408
ESP10, 328, 361, 386, 406, 428, 406, , 410
ESP10, 330, 363, 389, 410, 429, 408, , 412
ESP10, 342, 378, 399, 423, 440, 410, , 414
ESP10, 337, 372, 397, 418, 434, 412, , 416
ESP10, 332, 368, 394, 414, 431, 414, , 418
ESP10, 324, 362, 385, 407, 426, 417, , 421
ESP10, 323, 360, 384, 407, 424, 419, , 423
ESP10, 323, 356, 384, 402, 419, 421, , 425
ESP10, 326, 353, 384, 400, 418, 423, , 427
ESP10, 330, 357, 385, 402, 419, 425, , 429
ESP10, 327, 353, 380, 399, 416, 427, , 431
ESP10, 328, 355, 381, 402, 416, 429, , 433
ESP10, 323, 347, 374, 396, 409, 431, , 435
ESP10, 326, 350, 378, 399, 412, 433, , 437
ESP10, 323, 350, 377, 398, 411, 435, , 439
ESP10, 320, 345, 372, 392, 405, 437, , 441
ESP10, 325, 350, 379, 396, 410, 440, , 444
ESP10, 329, 354, 384, 402, 415, 442, , 446
ESP10, 334, 357, 388, 407, 418, 444, , 448
ESP10, 336, 358, 389, 408, 419, 446, , 450
ESP10, 333, 357, 386, 407, 419, 448, , 452
ESP10, 328, 355, 384, 403, 416, 450, , 454
ESP10, 336, 363, 390, 409, 424, 452, , 456
ESP10, 338, 365, 392, 412, 424, 454, , 458
ESP10, 334, 362, 390, 408, 419, 456, , 460
ESP10, 335, 363, 390, 409, 419, 458, , 462
ESP10, 340, 370, 397, 414, 426, 460, , 464
ESP10, 336, 368, 393, 414, 423, 462, , 466
ESP10, 330, 362, 389, 409, 419, 465, , 469
ESP10, 328, 361, 388, 409, 418, 467, , 471
ESP10, 331, 365, 392, 414, 423, 469, , 473
ESP10, 330, 365, 391, 413, 423, 471, , 475
ESP10, 324, 362, 385, 405, 416, 473, , 477
ESP10, 333, 362, 384, 404, 415, 475, , 479
ESP10, 334, 363, 388, 404, 414, 477, , 481
ESP10, 323, 351, 376, 392, 403, 479, , 483
ESP10, 331, 356, 381, 397, 408, 481, , 485
ESP10, 328, 353, 378, 395, 403, 483, , 487
ESP10, 338, 355, 382, 400, 406, 485, , 489
ESP10, 341, 357, 385, 403, 408, 488, , 492
ESP10, 336, 352, 380, 401, 404, 490, , 494
ESP10, 336, 352, 379, 401, 403, 492, , 496
ESP10, 342, 359, 387, 406, 410, 494, , 498
ESP10, 339, 358, 385, 403, 409, 496, , 500
ESP10, 332, 354, 381, 396, 403, 498, , 502
ESP10, 329, 351, 379, 394, 401, 500, , 504
ESP10, 328, 349, 378, 391, 399, 502, , 506
ESP10, 332, 350, 378, 391, 401, 504, , 508
ESP10, 332, 352, 378, 390, 400, 506, , 510
ESP10, 334, 353, 380, 392, 402, 508, , 512
ESP10, 340, 359, 386, 399, 408, 510, , 514
ESP10, 342, 361, 391, 402, 410, 513, , 517
ESP10, 343, 360, 391, 400, 408, 515, , 519
ESP10, 342, 360, 390, 399, 406, 517, , 521
ESP10, 342, 358, 388, 398, 404, 519, , 523
ESP10, 335, 351, 382, 393, 399, 521, , 525
ESP10, 338, 353, 384, 394, 400, 523, , 527
ESP10, 335, 351, 383, 392, 397, 525, , 529
ESP10, 339, 354, 385, 392, 401, 527, , 531
ESP10, 339, 356, 386, 394, 402, 529, , 533
ESP10, 337, 357, 384, 395, 403, 531, , 535
ESP10, 335, 360, 378, 393, 397, 533, , 537
ESP10, 337, 367, 381, 394, 398, 536, , 540
ESP10, 325, 355, 373, 385, 388, 538, , 542
ESP10, 333, 366, 382, 393, 396, 540, , 544
ESP10, 326, 359, 374, 386, 389, 542, , 546
ESP10, 325, 358, 372, 384, 389, 544, , 548
ESP10, 330, 361, 376, 389, 392, 546, , 550
ESP10, 334, 364, 379, 389, 392, 548, , 552
ESP10, 326, 363, 373, 382, 385, 550, , 554
ESP10, 321, 360, 373, 377, 380, 552, , 556
ESP10, 322, 358, 370, 374, 378, 554, , 558
ESP10, 319, 348, 360, 364, 369, 556, , 560
ESP10, 322, 352, 364, 368, 372, 558, , 562
ESP10, 321, 352, 364, 369, 372, 561, , 565
ESP10, 316, 346, 357, 362, 366, 563, , 567
ESP10, 320, 349, 360, 365, 369, 565, , 569
ESP10, 322, 337, 348, 354, 356, 567, , 571
ESP10, 313, 328, 339, 345, 347, 569, , 573
ESP10, 324, 342, 353, 359, 364, 571, , 575
ESP10, 316, 334, 344, 350, 354, 573, , 577
ESP10, 318, 333, 344, 349, 353, 575, , 579
ESP10, 317, 332, 346, 351, 354, 577, , 581
ESP10, 313, 327, 343, 349, 351, 579, , 583
ESP10, 306, 319, 331, 336, 339, 581, , 585
ESP10, 312, 325, 336, 341, 343, 584, , 588
ESP10, 322, 335, 344, 350, 352, 586, , 590
ESP10, 327, 340, 347, 352, 353, 588, , 592
ESP10, 327, 340, 343, 347, 349, 590, , 594
ESP10, 330, 340, 346, 350, 351, 592, , 596
ESP10, 338, 344, 348, 352, 353, 594, , 598
ESP10, 341, 346, 350, 353, 355, 596, , 600
ESP10, 338, 344, 347, 350, 352, 598, , 602
ESP10, 338, 345, 349, 350, 352, 600, , 604
ESP10, 340, 347, 350, 352, 353, 602, , 606
ESP10, 341, 347, 351, 353, 354, 604, , 608
ESP10, 341, 348, 350, 353, 354, 607, , 611
ESP10, 342, 347, 350, 352, 353, 609, , 613
ESP10, 344, 349, 351, 353, 354, 611, , 615
ESP10, 345, 349, 351, 353, 354, 613, , 617
ESP10, 343, 346, 349, 350, 351, 615, , 619
ESP10, 343, 346, 349, 350, 351, 617, , 621
ESP10, 340, 343, 346, 347, 348, 619, , 623
ESP10, 340, 343, 345, 347, 347, 621, , 625
ESP10, 343, 347, 349, 349, 349, 623, , 627
ESP10, 340, 343, 345, 346, 346, 625, , 629
ESP10, 338, 340, 342, 343, 343, 627, , 631
ESP10, 333, 335, 338, 338, 338, 629, , 633
ESP10, 330, 333, 334, 334, 334, 632, , 636
ESP10, 330, 333, 334, 334, 334, 634, , 638
ESP10, 336, 338, 338, 338, 338, 636, , 640
ESP10, 335, 337, 338, 338, 338, 638, , 642
ESP10, 333, 335, 336, 336, 336, 640, , 644
ESP10, 332, 335, 335, 335, 335, 642, , 646
ESP10, 332, 334, 334, 334, 334, 644, , 648
ESP10, 329, 332, 332, 332, 332, 646, , 650
ESP10, 329, 332, 332, 332, 332, 648, , 652
ESP10, 329, 331, 331, 331, 331, 650, , 654
ESP10, 329, 331, 331, 331, 331, 652, , 656
ESP10, 330, 331, 331, 331, 331, 655, , 659
ESP10, 330, 331, 331, 331, 331, 657, , 661
ESP10, 328, 330, 330, 330, 330, 659, , 663
ESP10, 328, 330, 330, 330, 330, 661, , 665
ESP10, 328, 330, 330, 330, 330, 663, , 667
ESP10, 328, 330, 330, 330, 330, 665, , 669
ESP10, 328, 330, 330, 330, 330, 667, , 671
ESP10, 328, 330, 330, 330, 330, 669, , 673
ESP10, 328, 330, 330, 330, 330, 671, , 675
ESP10, 328, 330, 330, 330, 330, 673, , 677
ESP10, 328, 330, 330, 330, 330, 675, , 679
ESP10, 328, 330, 330, 330, 330, 677, , 681
ESP10, 328, 330, 330, 330, 330, 680, , 684
ESP10, 328, 330, 330, 330, 330, 682, , 686
ESP10, 328, 330, 330, 330, 330, 684, , 688
ESP10, 328, 330, 330, 330, 330, 686, , 690
ESP10, 329, 330, 330, 330, 330, 688, , 692
ESP10, 329, 330, 330, 330, 330, 690, , 694
ESP10, 329, 330, 330, 330, 330, 692, , 696
ESP10, 332, 333, 333, 333, 333, 694, , 698
ESP10, 332, 333, 333, 333, 333, 696, , 700
ESP10, 332, 333, 333, 333, 333, 698, , 702
ESP10, 332, 333, 333, 333, 333, 700, , 704
ESP10, 333, 333, 333, 333, 333, 703, , 707
ESP10, 333, 333, 333, 333, 333, 705, , 709
ESP10, 333, 334, 334, 334, 334, 707, , 711
ESP10, 333, 334, 334, 334, 334, 709, , 713
ESP10, 333, 334, 334, 334, 334, 711, , 715
ESP10, 334, 334, 334, 334, 334, 713, , 717
ESP10, 334, 334, 334, 334, 334, 715, , 719
ESP10, 334, 335, 335, 335, 335, 717, , 721
ESP10, 334, 335, 335, 335, 335, 719, , 723
ESP10, 334, 335, 335, 335, 335, 721, , 725
ESP10, 334, 335, 335, 335, 335, 723, , 727
ESP10, 334, 335, 335, 335, 335, 725, , 729
ESP10, 335, 335, 335, 335, 335, 728, , 732
ESP10, 335, 335, 335, 335, 335, 730, , 734
ESP10, 334, 335, 335, 335, 335, 732, , 736
ESP10, 335, 335, 335, 335, 335, 734, , 738
Max Scale
Scale To Data
Scale To Last 45 Days
Show Min/Max Ensemble Volume
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ESP10
HEFS
ESP0
Data Files
/chpsesp/ensemble/watersupply/FCFM8W_SQIN.ESPF10.csv
FCFM8W_SQIN.ESPF0.csv|2026-08-16
FCFM8W_SQIN.ESPF10.csv|2026-08-16
FCFM8W_SQIN.ESPFM.csv|2026-08-16
APR-SEP
NF FLATHEAD - NEAR COLUMBIA FALLS
(
FCFM8
)
Forecasts for Water Year
2027
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-08-16
Issued:
2026-08-16
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1030
1709
98
2418
1750
APR-JUL
912
1538
96
2207
1600
APR-AUG
981
1628
96
2342
1690
JAN-SEP
1116
1806
94
2511
1921
JAN-JUL
998
1670
94
2311
1771
OCT-SEP
1238
1948
91
2727
2133
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/FCFM8W_SQIN.ESPF10.csv
FCFM8W_SQIN.ESPF0.csv|2026-08-16
FCFM8W_SQIN.ESPF10.csv|2026-08-16
FCFM8W_SQIN.ESPFM.csv|2026-08-16
APR-SEP
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
Last Forecast
