Choose Date:
Archive:
Water Year
Loading...
COLUMBIA - ARROW LAKES (HUGH KEENLEYSIDE DAM)
(
ARDQ2
)
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
26100
27654
115
29158
23959
APR-JUL
20315
21614
117
23041
18539
JAN-SEP
28933
30487
118
31992
25830
JAN-JUL
23149
24448
120
25874
20410
OCT-SEP
32073
33627
116
35132
29024
Experimental
HEFS with 15 days EQPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
26524
28061
117
29727
23959
APR-JUL
20694
22064
119
23638
18539
JAN-SEP
29357
30895
120
32561
25830
JAN-JUL
23528
24898
122
26472
20410
OCT-SEP
32497
34035
117
35701
29024
Reference
ESP with 0 Days QPF
Ensemble:
2026-04-29
Issued:
2026-04-29
Hide Forecast
APR-SEP
26583
28012
117
29709
23959
APR-JUL
20359
21945
118
23684
18539
JAN-SEP
29417
30846
119
32543
25830
JAN-JUL
23193
24779
121
26517
20410
OCT-SEP
32557
33986
117
35683
29024
Move the mouse over the desired "Forecast Period" to display a graph.
ESP10, 244, 302, 342, 378, 443, 71, , 75
ESP10, 240, 297, 338, 374, 438, 74, , 78
ESP10, 243, 299, 343, 376, 439, 77, , 81
ESP10, 240, 299, 347, 375, 436, 81, , 85
ESP10, 234, 295, 345, 369, 431, 84, , 88
ESP10, 234, 295, 347, 371, 438, 87, , 91
ESP10, 238, 299, 355, 373, 448, 90, , 94
ESP10, 239, 300, 355, 378, 451, 93, , 97
ESP10, 243, 301, 358, 382, 453, 96, , 100
ESP10, 239, 298, 357, 379, 454, 100, , 104
ESP10, 244, 299, 358, 383, 456, 103, , 107
ESP10, 240, 296, 353, 378, 450, 106, , 110
ESP10, 228, 287, 342, 370, 440, 109, , 113
ESP10, 234, 292, 349, 378, 444, 112, , 116
ESP10, 238, 297, 350, 379, 447, 115, , 119
ESP10, 230, 288, 339, 375, 437, 119, , 123
ESP10, 225, 283, 338, 373, 432, 122, , 126
ESP10, 244, 296, 352, 387, 445, 125, , 129
ESP10, 243, 297, 349, 388, 443, 128, , 132
ESP10, 241, 294, 346, 384, 440, 131, , 135
ESP10, 234, 289, 340, 378, 434, 134, , 138
ESP10, 221, 279, 330, 376, 424, 138, , 142
ESP10, 229, 281, 339, 379, 425, 141, , 145
ESP10, 230, 281, 338, 378, 426, 144, , 148
ESP10, 231, 283, 340, 379, 428, 147, , 151
ESP10, 246, 295, 360, 393, 439, 150, , 154
ESP10, 244, 292, 356, 394, 439, 153, , 157
ESP10, 253, 290, 356, 393, 437, 156, , 160
ESP10, 247, 290, 345, 384, 426, 160, , 164
ESP10, 249, 284, 337, 377, 419, 163, , 167
ESP10, 252, 287, 342, 379, 425, 166, , 170
ESP10, 254, 295, 341, 379, 430, 169, , 173
ESP10, 253, 298, 339, 383, 432, 172, , 176
ESP10, 264, 305, 344, 387, 439, 175, , 179
ESP10, 267, 307, 352, 392, 441, 179, , 183
ESP10, 261, 303, 350, 391, 433, 182, , 186
ESP10, 260, 301, 352, 390, 432, 185, , 189
ESP10, 251, 295, 345, 385, 423, 188, , 192
ESP10, 263, 308, 354, 396, 433, 191, , 195
ESP10, 256, 302, 348, 393, 428, 194, , 198
ESP10, 249, 299, 342, 384, 421, 198, , 202
ESP10, 248, 301, 341, 380, 418, 201, , 205
ESP10, 270, 323, 355, 394, 432, 204, , 208
ESP10, 280, 328, 365, 401, 439, 207, , 211
ESP10, 272, 321, 356, 395, 430, 210, , 214
ESP10, 281, 327, 363, 404, 434, 213, , 217
ESP10, 275, 325, 359, 399, 428, 217, , 221
ESP10, 274, 325, 363, 401, 435, 220, , 224
ESP10, 265, 318, 357, 396, 426, 223, , 227
ESP10, 264, 319, 357, 397, 429, 226, , 230
ESP10, 275, 329, 366, 406, 440, 229, , 233
ESP10, 271, 321, 359, 398, 431, 232, , 236
ESP10, 269, 321, 358, 396, 428, 236, , 240
ESP10, 279, 331, 368, 409, 433, 239, , 243
ESP10, 275, 330, 367, 407, 429, 242, , 246
ESP10, 269, 331, 361, 401, 425, 245, , 249
ESP10, 266, 331, 360, 401, 427, 248, , 252
ESP10, 267, 333, 359, 398, 433, 251, , 255
ESP10, 264, 328, 361, 393, 430, 254, , 258
ESP10, 264, 323, 356, 389, 429, 258, , 262
ESP10, 252, 313, 349, 377, 421, 261, , 265
ESP10, 253, 312, 349, 380, 422, 264, , 268
ESP10, 255, 317, 349, 382, 423, 267, , 271
ESP10, 247, 306, 345, 371, 425, 270, , 274
ESP10, 241, 302, 339, 367, 423, 273, , 277
ESP10, 242, 301, 340, 370, 421, 277, , 281
ESP10, 247, 307, 347, 377, 426, 280, , 284
ESP10, 233, 294, 335, 368, 412, 283, , 287
ESP10, 205, 266, 308, 346, 385, 286, , 290
ESP10, 203, 264, 305, 347, 383, 289, , 293
ESP10, 208, 269, 311, 353, 390, 292, , 296
ESP10, 215, 278, 319, 362, 398, 296, , 300
ESP10, 214, 283, 318, 362, 398, 299, , 303
ESP10, 205, 274, 309, 354, 394, 302, , 306
ESP10, 198, 270, 302, 350, 388, 305, , 309
ESP10, 189, 264, 293, 343, 383, 308, , 312
ESP10, 188, 263, 289, 346, 380, 311, , 315
ESP10, 188, 257, 283, 340, 377, 315, , 319
ESP10, 178, 241, 266, 326, 363, 318, , 322
ESP10, 173, 234, 263, 320, 361, 321, , 325
ESP10, 181, 238, 267, 324, 364, 324, , 328
ESP10, 175, 232, 265, 315, 355, 327, , 331
ESP10, 182, 243, 273, 327, 362, 330, , 334
ESP10, 185, 253, 278, 333, 365, 333, , 337
ESP10, 183, 249, 280, 330, 360, 337, , 341
ESP10, 178, 243, 280, 323, 354, 340, , 344
ESP10, 182, 245, 280, 324, 359, 343, , 347
ESP10, 185, 246, 279, 326, 358, 346, , 350
ESP10, 191, 245, 282, 323, 355, 349, , 353
ESP10, 195, 249, 285, 324, 356, 352, , 356
ESP10, 192, 246, 286, 323, 352, 356, , 360
ESP10, 194, 245, 283, 326, 349, 359, , 363
ESP10, 193, 244, 283, 324, 348, 362, , 366
ESP10, 198, 251, 287, 325, 352, 365, , 369
ESP10, 198, 244, 283, 318, 352, 368, , 372
ESP10, 202, 243, 281, 320, 356, 371, , 375
ESP10, 196, 237, 276, 315, 356, 375, , 379
ESP10, 191, 230, 270, 309, 350, 378, , 382
ESP10, 190, 225, 265, 308, 348, 381, , 385
ESP10, 189, 221, 258, 304, 341, 384, , 388
ESP10, 183, 218, 256, 301, 339, 387, , 391
ESP10, 185, 221, 254, 303, 338, 390, , 394
ESP10, 184, 222, 253, 301, 336, 394, , 398
ESP10, 187, 222, 261, 300, 336, 397, , 401
ESP10, 186, 221, 257, 297, 337, 400, , 404
ESP10, 189, 223, 257, 299, 338, 403, , 407
ESP10, 193, 224, 258, 300, 340, 406, , 410
ESP10, 194, 229, 259, 307, 340, 409, , 413
ESP10, 195, 230, 264, 310, 346, 412, , 416
ESP10, 200, 238, 270, 313, 351, 416, , 420
ESP10, 209, 240, 276, 316, 356, 419, , 423
ESP10, 214, 245, 279, 319, 364, 422, , 426
ESP10, 212, 244, 278, 320, 364, 425, , 429
ESP10, 216, 250, 284, 324, 368, 428, , 432
ESP10, 215, 251, 284, 323, 366, 431, , 435
ESP10, 206, 244, 275, 313, 356, 435, , 439
ESP10, 213, 255, 281, 317, 361, 438, , 442
ESP10, 214, 256, 283, 323, 363, 441, , 445
ESP10, 215, 262, 283, 326, 363, 444, , 448
ESP10, 212, 261, 286, 325, 361, 447, , 451
ESP10, 209, 259, 283, 323, 357, 450, , 454
ESP10, 201, 247, 270, 317, 346, 454, , 458
ESP10, 192, 238, 261, 310, 338, 457, , 461
ESP10, 207, 245, 271, 316, 347, 460, , 464
ESP10, 206, 244, 268, 312, 346, 463, , 467
ESP10, 209, 241, 269, 309, 343, 466, , 470
ESP10, 205, 241, 267, 306, 340, 469, , 473
ESP10, 218, 253, 277, 314, 353, 473, , 477
ESP10, 224, 257, 281, 315, 354, 476, , 480
ESP10, 213, 250, 273, 308, 345, 479, , 483
ESP10, 218, 255, 274, 314, 346, 482, , 486
ESP10, 220, 257, 276, 319, 346, 485, , 489
ESP10, 216, 252, 269, 313, 338, 488, , 492
ESP10, 219, 259, 274, 317, 342, 491, , 495
ESP10, 218, 259, 277, 316, 341, 495, , 499
ESP10, 207, 247, 267, 308, 337, 498, , 502
ESP10, 207, 245, 265, 309, 335, 501, , 505
ESP10, 213, 251, 272, 316, 339, 504, , 508
ESP10, 205, 243, 265, 307, 331, 507, , 511
ESP10, 209, 249, 271, 315, 337, 510, , 514
ESP10, 202, 245, 262, 306, 328, 514, , 518
ESP10, 208, 250, 270, 312, 334, 517, , 521
ESP10, 206, 245, 267, 312, 330, 520, , 524
ESP10, 214, 251, 270, 315, 335, 523, , 527
ESP10, 210, 247, 268, 310, 331, 526, , 530
ESP10, 211, 248, 266, 307, 327, 529, , 533
ESP10, 215, 249, 266, 310, 327, 533, , 537
ESP10, 205, 241, 255, 301, 317, 536, , 540
ESP10, 200, 230, 247, 291, 306, 539, , 543
ESP10, 188, 216, 236, 278, 292, 542, , 546
ESP10, 182, 219, 230, 272, 284, 545, , 549
ESP10, 178, 214, 229, 266, 280, 548, , 552
ESP10, 170, 204, 226, 257, 271, 552, , 556
ESP10, 166, 200, 228, 255, 267, 555, , 559
ESP10, 165, 196, 224, 251, 262, 558, , 562
ESP10, 167, 201, 226, 250, 262, 561, , 565
ESP10, 156, 189, 213, 238, 250, 564, , 568
ESP10, 165, 187, 208, 235, 248, 567, , 571
ESP10, 153, 179, 198, 224, 238, 571, , 575
ESP10, 158, 181, 202, 229, 241, 574, , 578
ESP10, 154, 177, 195, 224, 237, 577, , 581
ESP10, 147, 167, 186, 219, 229, 580, , 584
ESP10, 133, 154, 175, 205, 215, 583, , 587
ESP10, 151, 167, 188, 218, 232, 586, , 590
ESP10, 145, 161, 183, 211, 226, 589, , 593
ESP10, 147, 160, 181, 207, 222, 593, , 597
ESP10, 149, 162, 184, 210, 225, 596, , 600
ESP10, 155, 169, 190, 213, 228, 599, , 603
ESP10, 152, 166, 185, 208, 226, 602, , 606
ESP10, 153, 166, 187, 206, 223, 605, , 609
ESP10, 151, 168, 187, 206, 220, 608, , 612
ESP10, 162, 180, 198, 218, 230, 612, , 616
ESP10, 164, 178, 198, 217, 229, 615, , 619
ESP10, 164, 176, 195, 217, 226, 618, , 622
ESP10, 158, 170, 189, 210, 219, 621, , 625
ESP10, 163, 171, 192, 211, 224, 624, , 628
ESP10, 174, 184, 204, 223, 235, 627, , 631
ESP10, 174, 185, 206, 223, 236, 631, , 635
ESP10, 177, 189, 211, 230, 242, 634, , 638
ESP10, 177, 190, 212, 231, 242, 637, , 641
ESP10, 186, 203, 222, 241, 256, 640, , 644
ESP10, 191, 205, 225, 244, 259, 643, , 647
ESP10, 188, 207, 224, 243, 257, 646, , 650
ESP10, 190, 210, 229, 245, 261, 650, , 654
ESP10, 193, 207, 230, 246, 259, 653, , 657
ESP10, 192, 206, 229, 246, 258, 656, , 660
ESP10, 188, 201, 224, 242, 252, 659, , 663
ESP10, 186, 198, 224, 240, 249, 662, , 666
ESP10, 185, 198, 222, 240, 248, 665, , 669
ESP10, 179, 194, 218, 235, 245, 668, , 672
ESP10, 178, 193, 217, 233, 243, 672, , 676
ESP10, 176, 190, 215, 232, 240, 675, , 679
ESP10, 182, 196, 224, 238, 245, 678, , 682
ESP10, 184, 205, 225, 241, 247, 681, , 685
ESP10, 184, 205, 225, 242, 248, 684, , 688
ESP10, 185, 205, 224, 241, 249, 687, , 691
ESP10, 190, 209, 228, 244, 253, 691, , 695
ESP10, 188, 205, 226, 243, 251, 694, , 698
ESP10, 187, 206, 224, 241, 257, 697, , 701
ESP10, 188, 209, 226, 243, 256, 700, , 704
ESP10, 192, 213, 229, 249, 260, 703, , 707
ESP10, 198, 218, 234, 254, 264, 706, , 710
ESP10, 200, 219, 236, 254, 265, 710, , 714
ESP10, 211, 232, 247, 264, 279, 713, , 717
ESP10, 214, 235, 248, 265, 283, 716, , 720
ESP10, 214, 235, 249, 266, 284, 719, , 723
ESP10, 212, 233, 250, 265, 283, 722, , 726
ESP10, 214, 233, 249, 265, 284, 725, , 729
ESP10, 221, 238, 254, 269, 287, 729, , 733
ESP10, 220, 239, 253, 267, 286, 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/ARDQ2IN_SQIN.ESPF10.csv
ARDQ2IN_SQIN.ESPF0.csv|2026-04-29
ARDQ2IN_SQIN.ESPF10.csv|2026-04-29
ARDQ2IN_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
