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Water Year
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SF FLATHEAD - HUNGRY HORSE DAM
(
HHWM8
)
Forecasts for Water Year
2026
Official Water Supply
ESP with 10 Days QPF
Ensemble:
2026-06-29
Issued:
2026-06-29
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1974
1981
95
2008
2088
APR-JUL
1877
1877
95
1879
1981
APR-AUG
1933
1938
95
1948
2043
JAN-SEP
2548
2556
109
2583
2343
JAN-JUL
2452
2452
110
2453
2236
OCT-SEP
3075
3083
120
3110
2567
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble:
2026-06-29
Issued:
2026-06-29
Hide Forecast
APR-SEP
1935
1962
94
2045
2088
APR-JUL
1835
1858
94
1922
1981
APR-AUG
1894
1917
94
1996
2043
JAN-SEP
2509
2537
108
2620
2343
JAN-JUL
2409
2432
109
2496
2236
OCT-SEP
3036
3064
119
3146
2567
Reference
ESP with 0 Days QPF
Ensemble:
2026-06-29
Issued:
2026-06-29
Hide Forecast
APR-SEP
1912
1923
92
2019
2088
APR-JUL
1818
1822
92
1885
1981
APR-AUG
1872
1881
92
1954
2043
JAN-SEP
2487
2498
107
2594
2343
JAN-JUL
2393
2397
107
2459
2236
OCT-SEP
3013
3024
118
3121
2567
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 249, 296, 376, 419, 449, 70, , 74
ESP10, 249, 294, 375, 417, 448, 73, , 77
ESP10, 250, 292, 374, 415, 447, 75, , 79
ESP10, 251, 291, 374, 415, 447, 78, , 82
ESP10, 255, 291, 375, 415, 447, 80, , 84
ESP10, 253, 289, 369, 411, 444, 83, , 87
ESP10, 250, 286, 368, 408, 443, 85, , 89
ESP10, 255, 292, 374, 413, 451, 88, , 92
ESP10, 253, 292, 373, 410, 452, 90, , 94
ESP10, 251, 290, 370, 407, 450, 93, , 97
ESP10, 250, 287, 363, 402, 447, 95, , 99
ESP10, 260, 295, 371, 408, 454, 97, , 101
ESP10, 260, 296, 373, 408, 457, 100, , 104
ESP10, 259, 295, 373, 408, 457, 102, , 106
ESP10, 256, 295, 372, 406, 454, 105, , 109
ESP10, 249, 288, 370, 401, 449, 107, , 111
ESP10, 246, 285, 367, 398, 447, 110, , 114
ESP10, 244, 288, 369, 399, 446, 112, , 116
ESP10, 243, 286, 369, 399, 445, 115, , 119
ESP10, 245, 288, 373, 402, 447, 117, , 121
ESP10, 239, 281, 366, 398, 441, 120, , 124
ESP10, 248, 285, 372, 402, 445, 122, , 126
ESP10, 244, 280, 368, 399, 440, 124, , 128
ESP10, 252, 285, 373, 404, 445, 127, , 131
ESP10, 255, 288, 374, 408, 447, 129, , 133
ESP10, 247, 279, 366, 399, 440, 132, , 136
ESP10, 247, 280, 367, 399, 440, 134, , 138
ESP10, 255, 284, 372, 402, 446, 137, , 141
ESP10, 253, 282, 370, 400, 447, 139, , 143
ESP10, 243, 271, 359, 389, 438, 142, , 146
ESP10, 251, 275, 362, 393, 441, 144, , 148
ESP10, 259, 280, 364, 397, 442, 147, , 151
ESP10, 257, 283, 364, 398, 440, 149, , 153
ESP10, 259, 286, 366, 402, 441, 151, , 155
ESP10, 259, 288, 367, 403, 440, 154, , 158
ESP10, 262, 290, 369, 406, 444, 156, , 160
ESP10, 264, 289, 369, 406, 444, 159, , 163
ESP10, 260, 286, 367, 402, 441, 161, , 165
ESP10, 261, 288, 369, 403, 445, 164, , 168
ESP10, 261, 288, 370, 406, 446, 166, , 170
ESP10, 265, 292, 374, 411, 449, 169, , 173
ESP10, 266, 292, 373, 410, 449, 171, , 175
ESP10, 267, 298, 374, 412, 451, 174, , 178
ESP10, 270, 305, 377, 418, 455, 176, , 180
ESP10, 269, 302, 375, 414, 451, 178, , 182
ESP10, 268, 303, 381, 414, 449, 181, , 185
ESP10, 261, 296, 376, 407, 441, 183, , 187
ESP10, 274, 310, 388, 419, 456, 186, , 190
ESP10, 269, 305, 384, 415, 453, 188, , 192
ESP10, 268, 308, 384, 414, 452, 191, , 195
ESP10, 261, 302, 376, 407, 443, 193, , 197
ESP10, 263, 305, 377, 408, 450, 196, , 200
ESP10, 253, 294, 368, 399, 440, 198, , 202
ESP10, 264, 303, 376, 406, 449, 201, , 205
ESP10, 248, 292, 363, 395, 434, 203, , 207
ESP10, 249, 294, 364, 398, 442, 205, , 209
ESP10, 244, 292, 362, 395, 437, 208, , 212
ESP10, 245, 291, 363, 395, 436, 210, , 214
ESP10, 249, 296, 365, 400, 440, 213, , 217
ESP10, 234, 282, 353, 387, 426, 215, , 219
ESP10, 219, 273, 341, 375, 412, 218, , 222
ESP10, 223, 281, 345, 378, 415, 220, , 224
ESP10, 201, 260, 328, 362, 397, 223, , 227
ESP10, 180, 240, 312, 347, 380, 225, , 229
ESP10, 182, 242, 313, 349, 381, 228, , 232
ESP10, 181, 238, 308, 345, 378, 230, , 234
ESP10, 200, 256, 328, 359, 391, 232, , 236
ESP10, 184, 245, 316, 347, 378, 235, , 239
ESP10, 174, 230, 303, 340, 362, 237, , 241
ESP10, 178, 228, 303, 340, 364, 240, , 244
ESP10, 179, 231, 306, 342, 364, 242, , 246
ESP10, 174, 229, 303, 340, 361, 245, , 249
ESP10, 179, 236, 309, 346, 368, 247, , 251
ESP10, 181, 238, 311, 349, 372, 250, , 254
ESP10, 189, 245, 316, 357, 379, 252, , 256
ESP10, 190, 245, 316, 357, 379, 255, , 259
ESP10, 196, 252, 323, 363, 386, 257, , 261
ESP10, 199, 252, 324, 362, 386, 259, , 263
ESP10, 213, 260, 331, 368, 393, 262, , 266
ESP10, 218, 260, 334, 368, 391, 264, , 268
ESP10, 227, 267, 335, 368, 395, 267, , 271
ESP10, 231, 272, 338, 370, 396, 269, , 273
ESP10, 234, 276, 343, 374, 398, 272, , 276
ESP10, 232, 276, 340, 372, 396, 274, , 278
ESP10, 231, 272, 337, 368, 394, 277, , 281
ESP10, 229, 270, 337, 368, 392, 279, , 283
ESP10, 231, 275, 338, 370, 396, 282, , 286
ESP10, 240, 278, 339, 374, 403, 284, , 288
ESP10, 246, 278, 341, 377, 404, 286, , 290
ESP10, 248, 280, 340, 377, 403, 289, , 293
ESP10, 246, 281, 339, 376, 400, 291, , 295
ESP10, 237, 273, 332, 367, 390, 294, , 298
ESP10, 238, 273, 332, 366, 391, 296, , 300
ESP10, 242, 274, 334, 366, 395, 299, , 303
ESP10, 236, 269, 329, 361, 393, 301, , 305
ESP10, 233, 270, 326, 359, 389, 304, , 308
ESP10, 229, 271, 325, 356, 387, 306, , 310
ESP10, 232, 277, 326, 358, 386, 309, , 313
ESP10, 245, 283, 334, 369, 394, 311, , 315
ESP10, 250, 287, 336, 371, 395, 313, , 317
ESP10, 253, 292, 339, 376, 397, 316, , 320
ESP10, 254, 295, 342, 377, 396, 318, , 322
ESP10, 256, 298, 344, 380, 396, 321, , 325
ESP10, 258, 297, 341, 377, 394, 323, , 327
ESP10, 259, 301, 343, 378, 394, 326, , 330
ESP10, 258, 299, 344, 377, 391, 328, , 332
ESP10, 259, 298, 342, 375, 389, 331, , 335
ESP10, 262, 299, 342, 375, 389, 333, , 337
ESP10, 259, 296, 339, 372, 388, 336, , 340
ESP10, 276, 309, 352, 384, 404, 338, , 342
ESP10, 275, 308, 354, 387, 405, 340, , 344
ESP10, 278, 310, 357, 390, 408, 343, , 347
ESP10, 277, 309, 358, 389, 406, 345, , 349
ESP10, 283, 315, 363, 396, 411, 348, , 352
ESP10, 280, 316, 362, 396, 410, 350, , 354
ESP10, 281, 322, 363, 397, 410, 353, , 357
ESP10, 282, 325, 364, 398, 411, 355, , 359
ESP10, 279, 325, 358, 392, 409, 358, , 362
ESP10, 279, 329, 356, 390, 412, 360, , 364
ESP10, 281, 328, 356, 389, 412, 363, , 367
ESP10, 285, 328, 359, 391, 413, 365, , 369
ESP10, 284, 322, 358, 387, 408, 367, , 371
ESP10, 287, 324, 361, 389, 411, 370, , 374
ESP10, 290, 328, 362, 389, 412, 372, , 376
ESP10, 296, 334, 368, 396, 414, 375, , 379
ESP10, 297, 337, 366, 395, 412, 377, , 381
ESP10, 299, 338, 364, 394, 413, 380, , 384
ESP10, 299, 337, 363, 393, 411, 382, , 386
ESP10, 296, 332, 360, 391, 406, 385, , 389
ESP10, 302, 335, 363, 397, 412, 387, , 391
ESP10, 301, 334, 360, 397, 411, 390, , 394
ESP10, 305, 335, 360, 398, 415, 392, , 396
ESP10, 302, 333, 363, 396, 413, 394, , 398
ESP10, 303, 334, 366, 394, 414, 397, , 401
ESP10, 301, 329, 363, 390, 413, 399, , 403
ESP10, 296, 325, 361, 391, 413, 402, , 406
ESP10, 296, 324, 360, 391, 413, 404, , 408
ESP10, 301, 326, 362, 397, 416, 407, , 411
ESP10, 300, 321, 358, 393, 413, 409, , 413
ESP10, 305, 322, 359, 394, 417, 412, , 416
ESP10, 303, 319, 358, 392, 413, 414, , 418
ESP10, 306, 321, 361, 393, 412, 416, , 420
ESP10, 303, 323, 360, 388, 407, 419, , 423
ESP10, 303, 326, 359, 387, 406, 421, , 425
ESP10, 305, 330, 360, 389, 406, 424, , 428
ESP10, 310, 336, 366, 393, 410, 426, , 430
ESP10, 313, 343, 370, 397, 414, 429, , 433
ESP10, 311, 342, 368, 395, 413, 431, , 435
ESP10, 306, 340, 367, 391, 409, 434, , 438
ESP10, 294, 333, 358, 382, 398, 436, , 440
ESP10, 300, 341, 364, 391, 404, 439, , 443
ESP10, 298, 339, 361, 391, 401, 441, , 445
ESP10, 291, 331, 354, 383, 395, 443, , 447
ESP10, 283, 324, 348, 378, 385, 446, , 450
ESP10, 281, 321, 343, 374, 379, 448, , 452
ESP10, 277, 313, 337, 366, 371, 451, , 455
ESP10, 269, 305, 329, 355, 364, 453, , 457
ESP10, 276, 312, 334, 361, 371, 456, , 460
ESP10, 262, 295, 319, 345, 357, 458, , 462
ESP10, 276, 309, 334, 357, 369, 461, , 465
ESP10, 288, 317, 343, 365, 377, 463, , 467
ESP10, 287, 317, 342, 364, 376, 466, , 470
ESP10, 293, 325, 349, 372, 383, 468, , 472
ESP10, 292, 326, 348, 371, 385, 470, , 474
ESP10, 289, 324, 346, 370, 386, 473, , 477
ESP10, 283, 319, 339, 363, 380, 475, , 479
ESP10, 279, 315, 334, 360, 377, 478, , 482
ESP10, 283, 319, 338, 365, 382, 480, , 484
ESP10, 288, 320, 341, 367, 387, 483, , 487
ESP10, 290, 323, 344, 368, 391, 485, , 489
ESP10, 291, 323, 347, 367, 390, 488, , 492
ESP10, 291, 326, 350, 369, 395, 490, , 494
ESP10, 298, 330, 355, 372, 401, 493, , 497
ESP10, 290, 320, 348, 361, 394, 495, , 499
ESP10, 296, 321, 351, 362, 396, 497, , 501
ESP10, 301, 321, 351, 359, 395, 500, , 504
ESP10, 298, 317, 349, 357, 391, 502, , 506
ESP10, 301, 320, 354, 361, 394, 505, , 509
ESP10, 299, 319, 352, 360, 392, 507, , 511
ESP10, 294, 314, 347, 359, 386, 510, , 514
ESP10, 294, 312, 345, 360, 384, 512, , 516
ESP10, 298, 317, 348, 363, 389, 515, , 519
ESP10, 296, 315, 347, 362, 387, 517, , 521
ESP10, 301, 323, 353, 371, 392, 520, , 524
ESP10, 302, 329, 354, 371, 394, 522, , 526
ESP10, 299, 326, 349, 368, 391, 524, , 528
ESP10, 300, 325, 350, 367, 390, 527, , 531
ESP10, 297, 324, 348, 366, 388, 529, , 533
ESP10, 294, 321, 349, 364, 386, 532, , 536
ESP10, 297, 318, 342, 359, 379, 534, , 538
ESP10, 297, 317, 340, 357, 377, 537, , 541
ESP10, 299, 320, 344, 361, 379, 539, , 543
ESP10, 322, 342, 368, 385, 402, 542, , 546
ESP10, 320, 340, 367, 382, 401, 544, , 548
ESP10, 321, 338, 366, 382, 400, 547, , 551
ESP10, 323, 339, 368, 383, 399, 549, , 553
ESP10, 314, 331, 359, 376, 391, 551, , 555
ESP10, 322, 343, 366, 382, 398, 554, , 558
ESP10, 320, 343, 369, 381, 398, 556, , 560
ESP10, 325, 350, 372, 384, 402, 559, , 563
ESP10, 326, 348, 370, 383, 399, 561, , 565
ESP10, 327, 350, 370, 386, 401, 564, , 568
ESP10, 327, 350, 371, 386, 401, 566, , 570
ESP10, 336, 361, 383, 398, 411, 569, , 573
ESP10, 327, 352, 376, 390, 403, 571, , 575
ESP10, 326, 352, 374, 392, 404, 574, , 578
ESP10, 321, 347, 371, 386, 400, 576, , 580
ESP10, 319, 342, 366, 380, 394, 578, , 582
ESP10, 320, 341, 367, 381, 393, 581, , 585
ESP10, 321, 345, 369, 383, 394, 583, , 587
ESP10, 323, 349, 370, 386, 399, 586, , 590
ESP10, 325, 351, 375, 390, 403, 588, , 592
ESP10, 327, 354, 378, 393, 405, 591, , 595
ESP10, 327, 355, 377, 393, 407, 593, , 597
ESP10, 329, 355, 376, 392, 407, 596, , 600
ESP10, 326, 354, 374, 390, 404, 598, , 602
ESP10, 324, 354, 371, 388, 402, 601, , 605
ESP10, 323, 353, 369, 386, 399, 603, , 607
ESP10, 322, 348, 367, 384, 396, 605, , 609
ESP10, 323, 347, 370, 385, 397, 608, , 612
ESP10, 325, 347, 371, 384, 396, 610, , 614
ESP10, 325, 347, 372, 383, 396, 613, , 617
ESP10, 328, 345, 369, 378, 388, 615, , 619
ESP10, 335, 347, 372, 382, 391, 618, , 622
ESP10, 322, 333, 359, 372, 380, 620, , 624
ESP10, 325, 338, 365, 377, 384, 623, , 627
ESP10, 321, 335, 358, 371, 380, 625, , 629
ESP10, 319, 335, 356, 367, 380, 628, , 632
ESP10, 321, 336, 357, 366, 379, 630, , 634
ESP10, 321, 338, 357, 370, 379, 632, , 636
ESP10, 316, 334, 350, 364, 373, 635, , 639
ESP10, 315, 333, 350, 362, 371, 637, , 641
ESP10, 317, 333, 351, 361, 370, 640, , 644
ESP10, 307, 325, 343, 349, 358, 642, , 646
ESP10, 316, 329, 347, 355, 362, 645, , 649
ESP10, 317, 334, 349, 358, 362, 647, , 651
ESP10, 314, 330, 346, 354, 358, 650, , 654
ESP10, 336, 350, 366, 373, 379, 652, , 656
ESP10, 302, 318, 331, 343, 348, 655, , 659
ESP10, 298, 313, 326, 338, 344, 657, , 661
ESP10, 311, 326, 336, 348, 356, 659, , 663
ESP10, 311, 330, 342, 350, 358, 662, , 666
ESP10, 309, 327, 340, 349, 354, 664, , 668
ESP10, 305, 325, 336, 346, 350, 667, , 671
ESP10, 306, 325, 337, 346, 349, 669, , 673
ESP10, 294, 312, 322, 330, 334, 672, , 676
ESP10, 302, 319, 329, 337, 340, 674, , 678
ESP10, 305, 320, 330, 338, 342, 677, , 681
ESP10, 326, 341, 349, 357, 360, 679, , 683
ESP10, 325, 336, 346, 352, 356, 682, , 686
ESP10, 327, 336, 348, 352, 356, 684, , 688
ESP10, 334, 343, 351, 355, 356, 686, , 690
ESP10, 337, 347, 353, 356, 357, 689, , 693
ESP10, 335, 346, 353, 355, 357, 691, , 695
ESP10, 335, 346, 353, 355, 356, 694, , 698
ESP10, 338, 349, 354, 356, 358, 696, , 700
ESP10, 338, 349, 354, 356, 358, 699, , 703
ESP10, 339, 350, 354, 356, 357, 701, , 705
ESP10, 335, 349, 352, 354, 355, 704, , 708
ESP10, 341, 351, 354, 356, 357, 706, , 710
ESP10, 344, 350, 354, 355, 356, 709, , 713
ESP10, 346, 350, 353, 354, 354, 711, , 715
ESP10, 345, 350, 352, 353, 353, 713, , 717
ESP10, 341, 347, 348, 349, 350, 716, , 720
ESP10, 339, 345, 346, 347, 347, 718, , 722
ESP10, 341, 346, 347, 348, 348, 721, , 725
ESP10, 334, 339, 339, 340, 341, 723, , 727
ESP10, 330, 335, 335, 336, 337, 726, , 730
ESP10, 325, 329, 330, 331, 331, 728, , 732
ESP10, 315, 319, 320, 322, 322, 731, , 735
ESP10, 320, 324, 325, 326, 326, 733, , 737
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Data Files
/chpsesp/ensemble/watersupply/HHWM8W_SQIN.ESPF10.csv
HHWM8W_SQIN.ESPF0.csv|2026-06-29
HHWM8W_SQIN.ESPF10.csv|2026-06-29
HHWM8W_SQIN.ESPFM.csv|2026-06-29
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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