Choose Date:
Archive:
Water Year
Loading...
FLATHEAD - AT PERMA
(
PERM8
)
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
6334
6840
91
7884
7496
APR-JUL
5655
6011
88
6879
6821
JAN-SEP
8075
8580
101
9625
8510
JAN-JUL
7396
7752
99
8619
7835
OCT-SEP
9412
9918
104
10963
9496
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
6428
6961
93
7996
7496
APR-JUL
5703
6156
90
7011
6821
JAN-SEP
8169
8702
102
9736
8510
JAN-JUL
7444
7897
101
8751
7835
OCT-SEP
9507
10040
106
11074
9496
Reference
ESP with 0 Days QPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
6438
7041
94
8163
7496
APR-JUL
5726
6237
91
7129
6821
JAN-SEP
8179
8782
103
9904
8510
JAN-JUL
7466
7978
102
8870
7835
OCT-SEP
9517
10120
107
11242
9496
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 238, 300, 371, 427, 470, 71, , 75
ESP10, 238, 296, 369, 424, 465, 74, , 78
ESP10, 239, 295, 371, 424, 467, 77, , 81
ESP10, 241, 295, 372, 424, 467, 81, , 85
ESP10, 245, 295, 371, 424, 466, 84, , 88
ESP10, 237, 286, 362, 417, 465, 87, , 91
ESP10, 241, 294, 367, 420, 470, 90, , 94
ESP10, 242, 296, 369, 420, 473, 93, , 97
ESP10, 240, 295, 367, 420, 472, 96, , 100
ESP10, 236, 293, 363, 416, 466, 100, , 104
ESP10, 234, 293, 358, 412, 466, 103, , 107
ESP10, 247, 302, 366, 419, 478, 106, , 110
ESP10, 249, 302, 365, 419, 479, 109, , 113
ESP10, 248, 300, 364, 418, 481, 112, , 116
ESP10, 239, 295, 356, 410, 475, 115, , 119
ESP10, 229, 292, 347, 403, 467, 119, , 123
ESP10, 221, 289, 338, 400, 460, 122, , 126
ESP10, 227, 294, 343, 407, 464, 125, , 129
ESP10, 221, 289, 342, 406, 459, 128, , 132
ESP10, 224, 298, 346, 412, 461, 131, , 135
ESP10, 213, 296, 337, 402, 453, 134, , 138
ESP10, 219, 301, 346, 410, 457, 138, , 142
ESP10, 214, 292, 339, 404, 458, 141, , 145
ESP10, 232, 300, 349, 413, 465, 144, , 148
ESP10, 231, 300, 352, 413, 470, 147, , 151
ESP10, 227, 294, 350, 412, 470, 150, , 154
ESP10, 226, 293, 352, 411, 470, 153, , 157
ESP10, 235, 295, 359, 417, 475, 156, , 160
ESP10, 232, 289, 357, 413, 471, 160, , 164
ESP10, 214, 272, 340, 397, 455, 163, , 167
ESP10, 219, 278, 346, 404, 460, 166, , 170
ESP10, 225, 278, 349, 404, 462, 169, , 173
ESP10, 217, 274, 342, 397, 453, 172, , 176
ESP10, 225, 283, 349, 402, 459, 175, , 179
ESP10, 227, 284, 350, 402, 458, 179, , 183
ESP10, 230, 286, 352, 404, 464, 182, , 186
ESP10, 232, 284, 352, 407, 463, 185, , 189
ESP10, 230, 278, 346, 399, 454, 188, , 192
ESP10, 236, 281, 353, 403, 457, 191, , 195
ESP10, 234, 282, 352, 400, 455, 194, , 198
ESP10, 236, 283, 354, 401, 456, 198, , 202
ESP10, 244, 290, 362, 408, 460, 201, , 205
ESP10, 246, 291, 362, 406, 459, 204, , 208
ESP10, 249, 294, 364, 408, 463, 207, , 211
ESP10, 239, 285, 358, 402, 455, 210, , 214
ESP10, 245, 294, 364, 408, 459, 213, , 217
ESP10, 232, 284, 355, 400, 448, 217, , 221
ESP10, 246, 297, 369, 414, 463, 220, , 224
ESP10, 246, 294, 363, 415, 463, 223, , 227
ESP10, 250, 298, 369, 420, 466, 226, , 230
ESP10, 241, 289, 363, 413, 457, 229, , 233
ESP10, 248, 291, 364, 418, 463, 232, , 236
ESP10, 247, 280, 357, 408, 453, 236, , 240
ESP10, 257, 290, 366, 416, 461, 239, , 243
ESP10, 243, 292, 356, 406, 450, 242, , 246
ESP10, 247, 291, 355, 407, 455, 245, , 249
ESP10, 244, 291, 350, 402, 453, 248, , 252
ESP10, 243, 290, 349, 400, 451, 251, , 255
ESP10, 247, 296, 353, 404, 455, 254, , 258
ESP10, 233, 279, 338, 393, 442, 258, , 262
ESP10, 214, 258, 320, 376, 426, 261, , 265
ESP10, 222, 266, 330, 385, 433, 264, , 268
ESP10, 199, 244, 310, 369, 412, 267, , 271
ESP10, 175, 221, 292, 350, 389, 270, , 274
ESP10, 180, 227, 299, 356, 394, 273, , 277
ESP10, 181, 226, 301, 356, 392, 277, , 281
ESP10, 194, 239, 315, 369, 404, 280, , 284
ESP10, 181, 223, 300, 355, 388, 283, , 287
ESP10, 154, 196, 275, 329, 363, 286, , 290
ESP10, 145, 188, 264, 317, 355, 289, , 293
ESP10, 144, 190, 260, 316, 359, 292, , 296
ESP10, 152, 199, 269, 322, 369, 296, , 300
ESP10, 158, 209, 277, 329, 375, 299, , 303
ESP10, 162, 207, 274, 324, 376, 302, , 306
ESP10, 177, 224, 289, 334, 396, 305, , 309
ESP10, 182, 233, 299, 338, 401, 308, , 312
ESP10, 196, 246, 312, 351, 414, 311, , 315
ESP10, 201, 245, 312, 350, 417, 315, , 319
ESP10, 211, 252, 320, 356, 423, 318, , 322
ESP10, 207, 249, 320, 355, 419, 321, , 325
ESP10, 213, 255, 326, 363, 422, 324, , 328
ESP10, 217, 262, 331, 366, 422, 327, , 331
ESP10, 227, 276, 342, 381, 431, 330, , 334
ESP10, 232, 275, 340, 382, 430, 333, , 337
ESP10, 233, 265, 331, 373, 421, 337, , 341
ESP10, 234, 265, 333, 373, 425, 340, , 344
ESP10, 234, 266, 332, 375, 424, 343, , 347
ESP10, 238, 276, 337, 383, 428, 346, , 350
ESP10, 240, 282, 341, 385, 430, 349, , 353
ESP10, 246, 285, 345, 388, 430, 352, , 356
ESP10, 257, 300, 352, 396, 439, 356, , 360
ESP10, 255, 296, 350, 389, 433, 359, , 363
ESP10, 257, 296, 348, 385, 429, 362, , 366
ESP10, 258, 306, 351, 387, 430, 365, , 369
ESP10, 251, 301, 346, 382, 424, 368, , 372
ESP10, 247, 298, 344, 386, 421, 371, , 375
ESP10, 246, 298, 344, 387, 422, 375, , 379
ESP10, 251, 301, 347, 389, 428, 378, , 382
ESP10, 253, 302, 347, 392, 428, 381, , 385
ESP10, 255, 303, 349, 394, 429, 384, , 388
ESP10, 257, 305, 351, 396, 431, 387, , 391
ESP10, 257, 305, 351, 395, 431, 390, , 394
ESP10, 257, 309, 352, 396, 431, 394, , 398
ESP10, 251, 309, 348, 391, 427, 397, , 401
ESP10, 252, 313, 351, 393, 437, 400, , 404
ESP10, 256, 313, 350, 393, 436, 403, , 407
ESP10, 258, 314, 352, 394, 435, 406, , 410
ESP10, 260, 318, 356, 403, 438, 409, , 413
ESP10, 257, 317, 354, 401, 440, 412, , 416
ESP10, 270, 332, 366, 412, 450, 416, , 420
ESP10, 274, 335, 368, 413, 451, 419, , 423
ESP10, 277, 338, 373, 414, 452, 422, , 426
ESP10, 276, 340, 378, 413, 452, 425, , 429
ESP10, 280, 348, 382, 417, 455, 428, , 432
ESP10, 279, 355, 380, 417, 456, 431, , 435
ESP10, 280, 360, 381, 419, 457, 435, , 439
ESP10, 284, 362, 383, 419, 461, 438, , 442
ESP10, 290, 359, 382, 417, 459, 441, , 445
ESP10, 297, 358, 384, 419, 459, 444, , 448
ESP10, 297, 357, 386, 418, 460, 447, , 451
ESP10, 301, 359, 386, 419, 461, 450, , 454
ESP10, 302, 354, 383, 418, 455, 454, , 458
ESP10, 302, 353, 382, 417, 454, 457, , 461
ESP10, 302, 355, 380, 418, 453, 460, , 464
ESP10, 316, 362, 387, 422, 457, 463, , 467
ESP10, 313, 360, 385, 420, 456, 466, , 470
ESP10, 308, 355, 379, 415, 451, 469, , 473
ESP10, 310, 353, 387, 416, 448, 473, , 477
ESP10, 311, 348, 384, 411, 443, 476, , 480
ESP10, 322, 358, 393, 426, 453, 479, , 483
ESP10, 328, 360, 395, 429, 459, 482, , 486
ESP10, 330, 363, 401, 429, 464, 485, , 489
ESP10, 327, 362, 399, 425, 468, 488, , 492
ESP10, 337, 366, 403, 430, 475, 491, , 495
ESP10, 330, 363, 401, 424, 473, 495, , 499
ESP10, 328, 360, 400, 424, 469, 498, , 502
ESP10, 327, 358, 399, 425, 467, 501, , 505
ESP10, 327, 358, 401, 430, 468, 504, , 508
ESP10, 321, 351, 393, 424, 461, 507, , 511
ESP10, 326, 356, 396, 427, 469, 510, , 514
ESP10, 323, 357, 392, 424, 463, 514, , 518
ESP10, 326, 358, 393, 425, 463, 517, , 521
ESP10, 323, 351, 389, 419, 456, 520, , 524
ESP10, 327, 351, 391, 418, 455, 523, , 527
ESP10, 333, 355, 397, 423, 458, 526, , 530
ESP10, 340, 366, 403, 430, 464, 529, , 533
ESP10, 340, 371, 405, 431, 465, 533, , 537
ESP10, 339, 370, 403, 433, 463, 536, , 540
ESP10, 338, 369, 400, 431, 460, 539, , 543
ESP10, 326, 360, 388, 418, 449, 542, , 546
ESP10, 334, 371, 399, 426, 458, 545, , 549
ESP10, 328, 368, 395, 425, 451, 548, , 552
ESP10, 322, 366, 392, 420, 445, 552, , 556
ESP10, 314, 361, 385, 414, 437, 555, , 559
ESP10, 311, 361, 384, 412, 436, 558, , 562
ESP10, 307, 358, 378, 405, 428, 561, , 565
ESP10, 295, 343, 363, 392, 413, 564, , 568
ESP10, 299, 349, 369, 398, 417, 567, , 571
ESP10, 277, 327, 347, 376, 395, 571, , 575
ESP10, 298, 349, 369, 396, 416, 574, , 578
ESP10, 308, 361, 379, 405, 424, 577, , 581
ESP10, 308, 365, 380, 405, 424, 580, , 584
ESP10, 307, 365, 380, 405, 424, 583, , 587
ESP10, 311, 372, 387, 412, 429, 586, , 590
ESP10, 307, 368, 386, 412, 425, 589, , 593
ESP10, 301, 362, 381, 405, 418, 593, , 597
ESP10, 293, 353, 373, 400, 411, 596, , 600
ESP10, 291, 351, 371, 398, 409, 599, , 603
ESP10, 289, 346, 369, 393, 409, 602, , 606
ESP10, 291, 342, 367, 389, 407, 605, , 609
ESP10, 293, 336, 365, 384, 403, 608, , 612
ESP10, 290, 327, 357, 375, 398, 612, , 616
ESP10, 288, 324, 356, 373, 397, 615, , 619
ESP10, 277, 312, 348, 362, 390, 618, , 622
ESP10, 279, 312, 350, 365, 393, 621, , 625
ESP10, 283, 312, 349, 366, 391, 624, , 628
ESP10, 281, 306, 346, 361, 384, 627, , 631
ESP10, 285, 311, 350, 367, 388, 631, , 635
ESP10, 289, 316, 357, 375, 392, 634, , 638
ESP10, 290, 321, 359, 379, 394, 637, , 641
ESP10, 289, 322, 359, 378, 396, 640, , 644
ESP10, 292, 322, 359, 379, 395, 643, , 647
ESP10, 290, 318, 356, 375, 391, 646, , 650
ESP10, 298, 331, 367, 386, 403, 650, , 654
ESP10, 303, 340, 366, 388, 408, 653, , 657
ESP10, 297, 334, 362, 383, 405, 656, , 660
ESP10, 297, 334, 362, 383, 405, 659, , 663
ESP10, 302, 342, 369, 389, 410, 662, , 666
ESP10, 297, 341, 365, 387, 407, 665, , 669
ESP10, 293, 335, 358, 381, 399, 668, , 672
ESP10, 291, 334, 357, 379, 397, 672, , 676
ESP10, 297, 337, 361, 381, 400, 675, , 679
ESP10, 306, 344, 370, 389, 409, 678, , 682
ESP10, 299, 339, 364, 384, 403, 681, , 685
ESP10, 300, 338, 369, 384, 403, 684, , 688
ESP10, 301, 344, 371, 385, 405, 687, , 691
ESP10, 286, 331, 357, 371, 393, 691, , 695
ESP10, 304, 342, 368, 381, 402, 694, , 698
ESP10, 301, 341, 366, 380, 399, 697, , 701
ESP10, 309, 345, 371, 384, 403, 700, , 704
ESP10, 311, 345, 371, 384, 402, 703, , 707
ESP10, 312, 342, 368, 386, 400, 706, , 710
ESP10, 313, 342, 370, 386, 401, 710, , 714
ESP10, 315, 345, 373, 392, 405, 713, , 717
ESP10, 308, 336, 366, 385, 399, 716, , 720
ESP10, 306, 334, 367, 384, 398, 719, , 723
ESP10, 305, 331, 362, 380, 394, 722, , 726
ESP10, 303, 330, 360, 379, 390, 725, , 729
ESP10, 304, 329, 361, 378, 389, 729, , 733
ESP10, 304, 331, 361, 379, 389, 732, , 736
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/natural/PERM8N_SQIN.ESPF10.csv
PERM8N_SQIN.ESPF0.csv|2026-04-29
PERM8N_SQIN.ESPF10.csv|2026-04-29
PERM8N_SQIN.ESPFM.csv|2026-04-29
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
