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Water Year
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SF FLATHEAD - HUNGRY HORSE DAM
(
HHWM8
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
1591
1734
83
2009
2086
APR-JUL
1505
1648
83
1900
1974
APR-AUG
1553
1696
83
1967
2040
JAN-SEP
2155
2298
98
2573
2336
JAN-JUL
2069
2212
99
2464
2224
OCT-SEP
2676
2819
110
3093
2566
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
1618
1787
86
2036
2086
APR-JUL
1530
1670
85
1929
1974
APR-AUG
1577
1730
85
1993
2040
JAN-SEP
2182
2351
101
2600
2336
JAN-JUL
2094
2234
100
2493
2224
OCT-SEP
2702
2871
112
3120
2566
Reference
ESP with 0 Days QPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
1629
1803
86
2066
2086
APR-JUL
1536
1693
86
1946
1974
APR-AUG
1587
1752
86
2014
2040
JAN-SEP
2193
2367
101
2630
2336
JAN-JUL
2100
2257
101
2510
2224
OCT-SEP
2713
2888
113
3150
2566
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 248, 295, 375, 419, 449, 71, , 75
ESP10, 247, 293, 374, 416, 447, 74, , 78
ESP10, 249, 291, 373, 415, 446, 77, , 81
ESP10, 250, 290, 374, 415, 447, 81, , 85
ESP10, 253, 289, 374, 414, 446, 84, , 88
ESP10, 251, 287, 368, 410, 443, 87, , 91
ESP10, 248, 285, 367, 408, 443, 90, , 94
ESP10, 253, 291, 374, 412, 451, 93, , 97
ESP10, 251, 291, 372, 410, 452, 96, , 100
ESP10, 249, 289, 369, 407, 449, 100, , 104
ESP10, 248, 286, 362, 402, 447, 103, , 107
ESP10, 258, 294, 370, 408, 454, 106, , 110
ESP10, 258, 295, 373, 408, 457, 109, , 113
ESP10, 257, 294, 372, 407, 456, 112, , 116
ESP10, 254, 293, 372, 405, 454, 115, , 119
ESP10, 248, 287, 369, 400, 448, 119, , 123
ESP10, 244, 284, 366, 398, 446, 122, , 126
ESP10, 243, 287, 368, 398, 446, 125, , 129
ESP10, 241, 285, 368, 398, 444, 128, , 132
ESP10, 244, 287, 372, 402, 446, 131, , 135
ESP10, 237, 279, 365, 397, 440, 134, , 138
ESP10, 246, 283, 372, 402, 444, 138, , 142
ESP10, 242, 278, 368, 398, 440, 141, , 145
ESP10, 251, 284, 373, 404, 444, 144, , 148
ESP10, 253, 286, 373, 407, 446, 147, , 151
ESP10, 246, 277, 365, 398, 440, 150, , 154
ESP10, 246, 279, 366, 398, 440, 153, , 157
ESP10, 253, 282, 371, 401, 445, 156, , 160
ESP10, 252, 280, 370, 400, 447, 160, , 164
ESP10, 241, 269, 358, 388, 437, 163, , 167
ESP10, 249, 273, 361, 392, 440, 166, , 170
ESP10, 257, 279, 364, 396, 442, 169, , 173
ESP10, 255, 281, 363, 397, 439, 172, , 176
ESP10, 257, 284, 365, 401, 440, 175, , 179
ESP10, 257, 286, 367, 402, 440, 179, , 183
ESP10, 260, 288, 368, 405, 444, 182, , 186
ESP10, 262, 287, 368, 405, 444, 185, , 189
ESP10, 258, 284, 366, 402, 440, 188, , 192
ESP10, 259, 287, 368, 402, 444, 191, , 195
ESP10, 259, 287, 369, 405, 445, 194, , 198
ESP10, 263, 291, 373, 410, 448, 198, , 202
ESP10, 265, 291, 372, 409, 448, 201, , 205
ESP10, 265, 296, 373, 411, 450, 204, , 208
ESP10, 268, 303, 376, 417, 454, 207, , 211
ESP10, 267, 300, 374, 413, 450, 210, , 214
ESP10, 267, 302, 380, 413, 449, 213, , 217
ESP10, 259, 294, 375, 406, 441, 217, , 221
ESP10, 273, 308, 387, 418, 456, 220, , 224
ESP10, 267, 304, 382, 414, 452, 223, , 227
ESP10, 266, 307, 383, 413, 452, 226, , 230
ESP10, 259, 301, 374, 406, 442, 229, , 233
ESP10, 262, 303, 375, 407, 449, 232, , 236
ESP10, 251, 293, 367, 398, 439, 236, , 240
ESP10, 262, 301, 375, 405, 449, 239, , 243
ESP10, 246, 290, 361, 395, 433, 242, , 246
ESP10, 247, 292, 363, 398, 441, 245, , 249
ESP10, 242, 290, 361, 394, 436, 248, , 252
ESP10, 243, 290, 362, 394, 436, 251, , 255
ESP10, 247, 295, 364, 398, 439, 254, , 258
ESP10, 232, 280, 352, 386, 425, 258, , 262
ESP10, 217, 271, 340, 374, 411, 261, , 265
ESP10, 221, 279, 344, 377, 414, 264, , 268
ESP10, 199, 258, 327, 361, 395, 267, , 271
ESP10, 178, 238, 311, 346, 378, 270, , 274
ESP10, 181, 241, 312, 348, 379, 273, , 277
ESP10, 179, 236, 307, 343, 377, 277, , 281
ESP10, 198, 254, 326, 357, 390, 280, , 284
ESP10, 182, 244, 315, 346, 376, 283, , 287
ESP10, 172, 228, 301, 339, 361, 286, , 290
ESP10, 177, 227, 301, 338, 362, 289, , 293
ESP10, 177, 229, 305, 341, 363, 292, , 296
ESP10, 173, 228, 302, 339, 360, 296, , 300
ESP10, 178, 234, 308, 345, 367, 299, , 303
ESP10, 180, 237, 310, 348, 371, 302, , 306
ESP10, 188, 244, 316, 357, 378, 305, , 309
ESP10, 189, 244, 315, 356, 379, 308, , 312
ESP10, 195, 251, 322, 362, 385, 311, , 315
ESP10, 198, 250, 323, 361, 385, 315, , 319
ESP10, 212, 258, 330, 367, 393, 318, , 322
ESP10, 217, 259, 333, 367, 390, 321, , 325
ESP10, 226, 266, 335, 368, 394, 324, , 328
ESP10, 230, 270, 337, 369, 395, 327, , 331
ESP10, 232, 274, 342, 373, 397, 330, , 334
ESP10, 231, 274, 339, 371, 395, 333, , 337
ESP10, 230, 270, 335, 367, 393, 337, , 341
ESP10, 227, 268, 335, 367, 391, 340, , 344
ESP10, 229, 274, 337, 369, 395, 343, , 347
ESP10, 238, 277, 337, 373, 402, 346, , 350
ESP10, 244, 276, 339, 376, 403, 349, , 353
ESP10, 246, 278, 339, 375, 402, 352, , 356
ESP10, 244, 280, 338, 375, 399, 356, , 360
ESP10, 235, 271, 331, 366, 389, 359, , 363
ESP10, 237, 272, 331, 365, 390, 362, , 366
ESP10, 240, 272, 333, 365, 394, 365, , 369
ESP10, 234, 268, 328, 360, 392, 368, , 372
ESP10, 231, 268, 325, 359, 388, 371, , 375
ESP10, 227, 270, 324, 355, 386, 375, , 379
ESP10, 230, 275, 325, 357, 386, 378, , 382
ESP10, 244, 282, 333, 368, 393, 381, , 385
ESP10, 249, 286, 335, 371, 395, 384, , 388
ESP10, 252, 292, 338, 376, 397, 387, , 391
ESP10, 254, 294, 341, 377, 396, 390, , 394
ESP10, 256, 298, 343, 379, 396, 394, , 398
ESP10, 257, 296, 340, 376, 393, 397, , 401
ESP10, 258, 300, 343, 378, 393, 400, , 404
ESP10, 257, 298, 343, 376, 390, 403, , 407
ESP10, 258, 297, 342, 374, 388, 406, , 410
ESP10, 260, 298, 341, 374, 388, 409, , 413
ESP10, 258, 296, 339, 372, 387, 412, , 416
ESP10, 275, 308, 351, 384, 403, 416, , 420
ESP10, 274, 307, 353, 386, 405, 419, , 423
ESP10, 277, 309, 357, 390, 407, 422, , 426
ESP10, 276, 308, 357, 388, 406, 425, , 429
ESP10, 282, 314, 363, 396, 411, 428, , 432
ESP10, 280, 315, 362, 395, 409, 431, , 435
ESP10, 280, 321, 362, 396, 410, 435, , 439
ESP10, 281, 325, 364, 398, 411, 438, , 442
ESP10, 278, 324, 357, 392, 408, 441, , 445
ESP10, 278, 328, 356, 390, 412, 444, , 448
ESP10, 280, 327, 355, 388, 412, 447, , 451
ESP10, 285, 327, 359, 390, 413, 450, , 454
ESP10, 283, 321, 357, 387, 408, 454, , 458
ESP10, 286, 324, 360, 388, 411, 457, , 461
ESP10, 289, 328, 362, 389, 411, 460, , 464
ESP10, 295, 334, 367, 396, 414, 463, , 467
ESP10, 296, 337, 365, 395, 412, 466, , 470
ESP10, 298, 337, 363, 394, 413, 469, , 473
ESP10, 298, 336, 362, 393, 411, 473, , 477
ESP10, 295, 332, 359, 391, 406, 476, , 480
ESP10, 301, 335, 362, 396, 412, 479, , 483
ESP10, 300, 333, 360, 397, 410, 482, , 486
ESP10, 304, 334, 359, 397, 415, 485, , 489
ESP10, 301, 332, 362, 395, 413, 488, , 492
ESP10, 302, 333, 366, 393, 414, 491, , 495
ESP10, 300, 328, 363, 389, 413, 495, , 499
ESP10, 295, 324, 361, 391, 412, 498, , 502
ESP10, 294, 323, 360, 391, 413, 501, , 505
ESP10, 300, 325, 362, 396, 416, 504, , 508
ESP10, 299, 320, 358, 393, 412, 507, , 511
ESP10, 304, 322, 359, 394, 417, 510, , 514
ESP10, 302, 318, 357, 392, 412, 514, , 518
ESP10, 305, 320, 360, 392, 412, 517, , 521
ESP10, 302, 322, 359, 388, 406, 520, , 524
ESP10, 302, 325, 358, 386, 405, 523, , 527
ESP10, 304, 329, 359, 388, 406, 526, , 530
ESP10, 308, 335, 365, 392, 409, 529, , 533
ESP10, 312, 342, 369, 396, 414, 533, , 537
ESP10, 309, 341, 368, 394, 412, 536, , 540
ESP10, 305, 339, 367, 391, 408, 539, , 543
ESP10, 293, 332, 357, 381, 397, 542, , 546
ESP10, 298, 340, 363, 390, 403, 545, , 549
ESP10, 297, 338, 360, 390, 400, 548, , 552
ESP10, 290, 330, 353, 383, 394, 552, , 556
ESP10, 282, 323, 347, 377, 384, 555, , 559
ESP10, 279, 320, 342, 373, 378, 558, , 562
ESP10, 276, 312, 336, 365, 370, 561, , 565
ESP10, 268, 303, 328, 354, 363, 564, , 568
ESP10, 275, 311, 333, 360, 370, 567, , 571
ESP10, 261, 294, 318, 344, 356, 571, , 575
ESP10, 275, 308, 333, 356, 369, 574, , 578
ESP10, 287, 316, 342, 365, 376, 577, , 581
ESP10, 286, 316, 341, 363, 375, 580, , 584
ESP10, 292, 324, 348, 371, 383, 583, , 587
ESP10, 291, 325, 348, 370, 384, 586, , 590
ESP10, 288, 323, 345, 369, 385, 589, , 593
ESP10, 282, 318, 338, 362, 379, 593, , 597
ESP10, 278, 315, 333, 359, 377, 596, , 600
ESP10, 282, 318, 338, 364, 382, 599, , 603
ESP10, 287, 319, 340, 366, 386, 602, , 606
ESP10, 289, 322, 343, 367, 391, 605, , 609
ESP10, 289, 322, 346, 366, 390, 608, , 612
ESP10, 290, 325, 349, 368, 394, 612, , 616
ESP10, 297, 329, 354, 372, 401, 615, , 619
ESP10, 289, 319, 347, 360, 393, 618, , 622
ESP10, 295, 321, 351, 361, 396, 621, , 625
ESP10, 300, 320, 351, 359, 394, 624, , 628
ESP10, 297, 317, 348, 356, 390, 627, , 631
ESP10, 300, 319, 353, 360, 393, 631, , 635
ESP10, 298, 318, 352, 359, 391, 634, , 638
ESP10, 293, 313, 346, 358, 385, 637, , 641
ESP10, 293, 311, 344, 359, 384, 640, , 644
ESP10, 297, 316, 347, 362, 388, 643, , 647
ESP10, 295, 314, 346, 361, 386, 646, , 650
ESP10, 300, 322, 351, 370, 392, 650, , 654
ESP10, 301, 328, 353, 370, 393, 653, , 657
ESP10, 297, 323, 348, 366, 389, 656, , 660
ESP10, 298, 324, 349, 366, 389, 659, , 663
ESP10, 296, 322, 347, 365, 387, 662, , 666
ESP10, 293, 320, 348, 364, 385, 665, , 669
ESP10, 295, 316, 341, 359, 379, 668, , 672
ESP10, 295, 316, 338, 356, 377, 672, , 676
ESP10, 298, 319, 344, 360, 379, 675, , 679
ESP10, 321, 341, 368, 385, 401, 678, , 682
ESP10, 319, 339, 366, 382, 401, 681, , 685
ESP10, 320, 337, 365, 381, 399, 684, , 688
ESP10, 322, 338, 368, 383, 399, 687, , 691
ESP10, 313, 330, 359, 375, 390, 691, , 695
ESP10, 321, 342, 366, 381, 397, 694, , 698
ESP10, 319, 342, 368, 381, 398, 697, , 701
ESP10, 324, 349, 372, 383, 401, 700, , 704
ESP10, 324, 346, 369, 382, 399, 703, , 707
ESP10, 326, 349, 370, 386, 400, 706, , 710
ESP10, 326, 349, 371, 386, 401, 710, , 714
ESP10, 336, 360, 382, 398, 411, 713, , 717
ESP10, 326, 351, 375, 390, 402, 716, , 720
ESP10, 325, 352, 374, 392, 404, 719, , 723
ESP10, 320, 346, 370, 386, 399, 722, , 726
ESP10, 318, 341, 365, 379, 393, 725, , 729
ESP10, 319, 340, 366, 380, 392, 729, , 733
ESP10, 319, 344, 368, 382, 393, 732, , 736
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ESP10
HEFS
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Data Files
/chpsesp/ensemble/natural/HHWM8N_SQIN.ESPF10.csv
HHWM8N_SQIN.ESPF0.csv|2026-04-29
HHWM8N_SQIN.ESPF10.csv|2026-04-29
HHWM8N_SQIN.ESPFM.csv|2026-04-29
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ESP10,ESPM,ESP0
ESP10,ESPM,ESP0
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