Choose Date:
Archive:
Water Year
Loading...
FLATHEAD - AT PERMA
(
PERM8
)
Forecasts for Water Year
2026
Natural Forecast
ESP with 10 Days QPF
Ensemble:
2026-05-13
Issued:
2026-05-13
Hide Forecast
Forecast
Period
Forecasts Are in KAF
30 Year
Average
(1991-2020)
90 %
50 %
%
Average
10 %
APR-SEP
6159
6530
87
7434
7496
APR-JUL
5528
5800
85
6544
6821
JAN-SEP
7899
8270
97
9175
8510
JAN-JUL
7269
7541
96
8284
7835
OCT-SEP
9237
9608
101
10513
9496
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-05-13
Issued:
2026-05-13
Hide Forecast
APR-SEP
6310
6675
89
7783
7496
APR-JUL
5625
5936
87
6844
6821
JAN-SEP
8050
8416
99
9524
8510
JAN-JUL
7366
7677
98
8585
7835
OCT-SEP
9388
9754
103
10862
9496
Reference
ESP with 0 Days QPF
Ensemble:
2026-05-13
Issued:
2026-05-13
Hide Forecast
APR-SEP
6197
6703
89
7836
7496
APR-JUL
5570
5900
86
6872
6821
JAN-SEP
7938
8443
99
9576
8510
JAN-JUL
7310
7640
98
8613
7835
OCT-SEP
9276
9781
103
10914
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, 80, , 84
ESP10, 245, 295, 371, 424, 466, 83, , 87
ESP10, 237, 286, 362, 417, 465, 86, , 90
ESP10, 241, 294, 367, 420, 470, 89, , 93
ESP10, 242, 296, 369, 420, 473, 92, , 96
ESP10, 240, 295, 367, 420, 472, 95, , 99
ESP10, 236, 293, 363, 416, 466, 98, , 102
ESP10, 234, 293, 358, 412, 466, 101, , 105
ESP10, 247, 302, 366, 419, 478, 104, , 108
ESP10, 249, 302, 365, 419, 479, 107, , 111
ESP10, 248, 300, 364, 418, 481, 110, , 114
ESP10, 239, 295, 356, 410, 475, 112, , 116
ESP10, 229, 292, 347, 403, 467, 115, , 119
ESP10, 221, 289, 338, 400, 460, 118, , 122
ESP10, 227, 294, 343, 407, 464, 121, , 125
ESP10, 221, 289, 342, 406, 459, 124, , 128
ESP10, 224, 298, 346, 412, 461, 127, , 131
ESP10, 213, 296, 337, 402, 453, 130, , 134
ESP10, 219, 301, 346, 410, 457, 133, , 137
ESP10, 214, 292, 339, 404, 458, 136, , 140
ESP10, 232, 300, 349, 413, 465, 139, , 143
ESP10, 231, 300, 352, 413, 470, 142, , 146
ESP10, 227, 294, 350, 412, 470, 145, , 149
ESP10, 226, 293, 352, 411, 470, 148, , 152
ESP10, 235, 295, 359, 417, 475, 151, , 155
ESP10, 232, 289, 357, 413, 471, 154, , 158
ESP10, 214, 272, 340, 397, 455, 157, , 161
ESP10, 219, 278, 346, 404, 460, 160, , 164
ESP10, 225, 278, 349, 404, 462, 163, , 167
ESP10, 217, 274, 342, 397, 453, 166, , 170
ESP10, 225, 283, 349, 402, 459, 169, , 173
ESP10, 227, 284, 350, 402, 458, 172, , 176
ESP10, 230, 286, 352, 404, 464, 175, , 179
ESP10, 232, 284, 352, 407, 463, 178, , 182
ESP10, 230, 278, 346, 399, 454, 181, , 185
ESP10, 236, 281, 353, 403, 457, 184, , 188
ESP10, 234, 282, 352, 400, 455, 187, , 191
ESP10, 236, 283, 354, 401, 456, 190, , 194
ESP10, 244, 290, 362, 408, 460, 193, , 197
ESP10, 246, 291, 362, 406, 459, 195, , 199
ESP10, 249, 294, 364, 408, 463, 198, , 202
ESP10, 239, 285, 358, 402, 455, 201, , 205
ESP10, 245, 294, 364, 408, 459, 204, , 208
ESP10, 232, 284, 355, 400, 448, 207, , 211
ESP10, 246, 297, 369, 414, 463, 210, , 214
ESP10, 246, 294, 363, 415, 463, 213, , 217
ESP10, 250, 298, 369, 420, 466, 216, , 220
ESP10, 241, 289, 363, 413, 457, 219, , 223
ESP10, 248, 291, 364, 418, 463, 222, , 226
ESP10, 247, 280, 357, 408, 453, 225, , 229
ESP10, 257, 290, 366, 416, 461, 228, , 232
ESP10, 243, 292, 356, 406, 450, 231, , 235
ESP10, 247, 291, 355, 407, 455, 234, , 238
ESP10, 244, 291, 350, 402, 453, 237, , 241
ESP10, 243, 290, 349, 400, 451, 240, , 244
ESP10, 247, 296, 353, 404, 455, 243, , 247
ESP10, 233, 279, 338, 393, 442, 246, , 250
ESP10, 214, 258, 320, 376, 426, 249, , 253
ESP10, 222, 266, 330, 385, 433, 252, , 256
ESP10, 199, 244, 310, 369, 412, 255, , 259
ESP10, 175, 221, 292, 350, 389, 258, , 262
ESP10, 180, 227, 299, 356, 394, 261, , 265
ESP10, 181, 226, 301, 356, 392, 264, , 268
ESP10, 194, 239, 315, 369, 404, 267, , 271
ESP10, 181, 223, 300, 355, 388, 270, , 274
ESP10, 154, 196, 275, 329, 363, 273, , 277
ESP10, 145, 188, 264, 317, 355, 276, , 280
ESP10, 144, 190, 260, 316, 359, 278, , 282
ESP10, 152, 199, 269, 322, 369, 281, , 285
ESP10, 158, 209, 277, 329, 375, 284, , 288
ESP10, 162, 207, 274, 324, 376, 287, , 291
ESP10, 177, 224, 289, 334, 396, 290, , 294
ESP10, 182, 233, 299, 338, 401, 293, , 297
ESP10, 196, 246, 312, 351, 414, 296, , 300
ESP10, 201, 245, 312, 350, 417, 299, , 303
ESP10, 211, 252, 320, 356, 423, 302, , 306
ESP10, 207, 249, 320, 355, 419, 305, , 309
ESP10, 213, 255, 326, 363, 422, 308, , 312
ESP10, 217, 262, 331, 366, 422, 311, , 315
ESP10, 227, 276, 342, 381, 431, 314, , 318
ESP10, 232, 275, 340, 382, 430, 317, , 321
ESP10, 233, 265, 331, 373, 421, 320, , 324
ESP10, 234, 265, 333, 373, 425, 323, , 327
ESP10, 234, 266, 332, 375, 424, 326, , 330
ESP10, 238, 276, 337, 383, 428, 329, , 333
ESP10, 240, 282, 341, 385, 430, 332, , 336
ESP10, 246, 285, 345, 388, 430, 335, , 339
ESP10, 257, 300, 352, 396, 439, 338, , 342
ESP10, 255, 296, 350, 389, 433, 341, , 345
ESP10, 257, 296, 348, 385, 429, 344, , 348
ESP10, 258, 306, 351, 387, 430, 347, , 351
ESP10, 251, 301, 346, 382, 424, 350, , 354
ESP10, 247, 298, 344, 386, 421, 353, , 357
ESP10, 246, 298, 344, 387, 422, 356, , 360
ESP10, 251, 301, 347, 389, 428, 359, , 363
ESP10, 253, 302, 347, 392, 428, 361, , 365
ESP10, 255, 303, 349, 394, 429, 364, , 368
ESP10, 257, 305, 351, 396, 431, 367, , 371
ESP10, 257, 305, 351, 395, 431, 370, , 374
ESP10, 257, 309, 352, 396, 431, 373, , 377
ESP10, 251, 309, 348, 391, 427, 376, , 380
ESP10, 252, 313, 351, 393, 437, 379, , 383
ESP10, 256, 313, 350, 393, 436, 382, , 386
ESP10, 258, 314, 352, 394, 435, 385, , 389
ESP10, 260, 318, 356, 403, 438, 388, , 392
ESP10, 257, 317, 354, 401, 440, 391, , 395
ESP10, 270, 332, 366, 412, 450, 394, , 398
ESP10, 274, 335, 368, 413, 451, 397, , 401
ESP10, 277, 338, 373, 414, 452, 400, , 404
ESP10, 276, 340, 378, 413, 452, 403, , 407
ESP10, 280, 348, 382, 417, 455, 406, , 410
ESP10, 279, 355, 380, 417, 456, 409, , 413
ESP10, 280, 360, 381, 419, 457, 412, , 416
ESP10, 284, 362, 383, 419, 461, 415, , 419
ESP10, 290, 359, 382, 417, 459, 418, , 422
ESP10, 297, 358, 384, 419, 459, 421, , 425
ESP10, 297, 357, 386, 418, 460, 424, , 428
ESP10, 301, 359, 386, 419, 461, 427, , 431
ESP10, 302, 354, 383, 418, 455, 430, , 434
ESP10, 302, 353, 382, 417, 454, 433, , 437
ESP10, 302, 355, 380, 418, 453, 436, , 440
ESP10, 316, 362, 387, 422, 457, 439, , 443
ESP10, 313, 360, 385, 420, 456, 442, , 446
ESP10, 308, 355, 379, 415, 451, 445, , 449
ESP10, 310, 353, 387, 416, 448, 447, , 451
ESP10, 311, 348, 384, 411, 443, 450, , 454
ESP10, 322, 358, 393, 426, 453, 453, , 457
ESP10, 328, 360, 395, 429, 459, 456, , 460
ESP10, 330, 363, 401, 429, 464, 459, , 463
ESP10, 327, 362, 399, 425, 468, 462, , 466
ESP10, 337, 366, 403, 430, 475, 465, , 469
ESP10, 330, 363, 401, 424, 473, 468, , 472
ESP10, 328, 360, 400, 424, 469, 471, , 475
ESP10, 327, 358, 399, 425, 467, 474, , 478
ESP10, 327, 358, 401, 430, 468, 477, , 481
ESP10, 321, 351, 393, 424, 461, 480, , 484
ESP10, 326, 356, 396, 427, 469, 483, , 487
ESP10, 323, 357, 392, 424, 463, 486, , 490
ESP10, 326, 358, 393, 425, 463, 489, , 493
ESP10, 323, 351, 389, 419, 456, 492, , 496
ESP10, 327, 351, 391, 418, 455, 495, , 499
ESP10, 333, 355, 397, 423, 458, 498, , 502
ESP10, 340, 366, 403, 430, 464, 501, , 505
ESP10, 340, 371, 405, 431, 465, 504, , 508
ESP10, 339, 370, 403, 433, 463, 507, , 511
ESP10, 338, 369, 400, 431, 460, 510, , 514
ESP10, 326, 360, 388, 418, 449, 513, , 517
ESP10, 334, 371, 399, 426, 458, 516, , 520
ESP10, 328, 368, 395, 425, 451, 519, , 523
ESP10, 322, 366, 392, 420, 445, 522, , 526
ESP10, 314, 361, 385, 414, 437, 525, , 529
ESP10, 311, 361, 384, 412, 436, 528, , 532
ESP10, 307, 358, 378, 405, 428, 530, , 534
ESP10, 295, 343, 363, 392, 413, 533, , 537
ESP10, 299, 349, 369, 398, 417, 536, , 540
ESP10, 277, 327, 347, 376, 395, 539, , 543
ESP10, 298, 349, 369, 396, 416, 542, , 546
ESP10, 308, 361, 379, 405, 424, 545, , 549
ESP10, 308, 365, 380, 405, 424, 548, , 552
ESP10, 307, 365, 380, 405, 424, 551, , 555
ESP10, 311, 372, 387, 412, 429, 554, , 558
ESP10, 307, 368, 386, 412, 425, 557, , 561
ESP10, 301, 362, 381, 405, 418, 560, , 564
ESP10, 293, 353, 373, 400, 411, 563, , 567
ESP10, 291, 351, 371, 398, 409, 566, , 570
ESP10, 289, 346, 369, 393, 409, 569, , 573
ESP10, 291, 342, 367, 389, 407, 572, , 576
ESP10, 293, 336, 365, 384, 403, 575, , 579
ESP10, 290, 327, 357, 375, 398, 578, , 582
ESP10, 288, 324, 356, 373, 397, 581, , 585
ESP10, 277, 312, 348, 362, 390, 584, , 588
ESP10, 279, 312, 350, 365, 393, 587, , 591
ESP10, 283, 312, 349, 366, 391, 590, , 594
ESP10, 281, 306, 346, 361, 384, 593, , 597
ESP10, 285, 311, 350, 367, 388, 596, , 600
ESP10, 289, 316, 357, 375, 392, 599, , 603
ESP10, 290, 321, 359, 379, 394, 602, , 606
ESP10, 289, 322, 359, 378, 396, 605, , 609
ESP10, 292, 322, 359, 379, 395, 608, , 612
ESP10, 290, 318, 356, 375, 391, 611, , 615
ESP10, 298, 331, 367, 386, 403, 613, , 617
ESP10, 303, 340, 366, 388, 408, 616, , 620
ESP10, 297, 334, 362, 383, 405, 619, , 623
ESP10, 297, 334, 362, 383, 405, 622, , 626
ESP10, 302, 342, 369, 389, 410, 625, , 629
ESP10, 297, 341, 365, 387, 407, 628, , 632
ESP10, 293, 335, 358, 381, 399, 631, , 635
ESP10, 291, 334, 357, 379, 397, 634, , 638
ESP10, 297, 337, 361, 381, 400, 637, , 641
ESP10, 306, 344, 370, 389, 409, 640, , 644
ESP10, 299, 339, 364, 384, 403, 643, , 647
ESP10, 300, 338, 369, 384, 403, 646, , 650
ESP10, 301, 344, 371, 385, 405, 649, , 653
ESP10, 286, 331, 357, 371, 393, 652, , 656
ESP10, 304, 342, 368, 381, 402, 655, , 659
ESP10, 301, 341, 366, 380, 399, 658, , 662
ESP10, 309, 345, 371, 384, 403, 661, , 665
ESP10, 311, 345, 371, 384, 402, 664, , 668
ESP10, 312, 342, 368, 386, 400, 667, , 671
ESP10, 313, 342, 370, 386, 401, 670, , 674
ESP10, 315, 345, 373, 392, 405, 673, , 677
ESP10, 308, 336, 366, 385, 399, 676, , 680
ESP10, 306, 334, 367, 384, 398, 679, , 683
ESP10, 305, 331, 362, 380, 394, 682, , 686
ESP10, 303, 330, 360, 379, 390, 685, , 689
ESP10, 304, 329, 361, 378, 389, 688, , 692
ESP10, 304, 331, 361, 379, 389, 691, , 695
ESP10, 306, 333, 364, 381, 389, 694, , 698
ESP10, 314, 343, 372, 389, 399, 696, , 700
ESP10, 324, 358, 384, 400, 411, 699, , 703
ESP10, 323, 362, 385, 400, 412, 702, , 706
ESP10, 322, 360, 382, 398, 409, 705, , 709
ESP10, 319, 357, 381, 396, 406, 708, , 712
ESP10, 318, 355, 380, 394, 407, 711, , 715
ESP10, 316, 353, 378, 392, 406, 714, , 718
ESP10, 314, 349, 376, 387, 404, 717, , 721
ESP10, 315, 346, 374, 388, 402, 720, , 724
ESP10, 323, 348, 377, 388, 402, 723, , 727
ESP10, 324, 348, 375, 389, 401, 726, , 730
ESP10, 321, 343, 371, 385, 396, 729, , 733
ESP10, 328, 346, 378, 388, 398, 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|2026-05-13
PERM8N_SQIN.ESPF10.csv|2026-05-13
PERM8N_SQIN.ESPFM.csv|2026-05-13
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
