River Forecast
Issued by NWS
Issued by NWS
Versions:
1
2
526 FGUS53 KKRF 131525 RVFYEL RIVER FORECAST NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO 1524Z TUE MAY 13 2025 : : THIS PRODUCT HAS PRELIMINARY DATA AND SUBJECT TO REVISION. : REFER TO YOUR LOCAL WFO FOR THE LATEST OFFICIAL RIVER FORECAST. : FORECAST GROUP IS YELLOW : ********************************************************** : *** THESE FORECASTS ARE SIGNIFICANTLY AFFECTED BY QPF *** : ********************************************************** : ************************************************************** : *** This forecast includes projected snowmelt due to *** : *** forecasted 6-hour mean temperatures for next 15 days. *** : ************************************************************** : ==> This forecast includes obsd precip & 72 hours of QPF :________________________________________________________________ :CORWIN SPRINGS, MT - YELLOWSTONE RIVER HSA - BYZ :MINOR FLOOD STAGE 11.0 FT FCST ISSUANCE STAGE 9.5 FT :MODERATE FLOOD STAGE 12.0 FT MAJOR FLOOD STAGE 13.0 FT :LATEST RIVER STAGE 6.6 FT AT 1500Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 6.2 / 5.8 / 6.4 / 6.8 : .ER CORM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 6.5 / 6.3 / 6.6 .E2 : 0514 : / 7.0 / 6.4 / 5.9 / 6.1 .E3 : 0515 : / 6.2 / 5.7 / 5.3 / 5.4 .E4 : 0516 : / 5.6 / 5.2 / 4.8 / 5.0 .E5 : 0517 : / 5.2 / 4.9 / 4.5 / 5.0 .E6 : 0518 : / 5.3 / 5.0 / 4.6 / 4.8 .E7 : 0519 : / 5.0 / 4.9 / 4.7 / 4.5 .E8 : 0520 : / 4.6 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 15Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.01 / 0.12 / 0.16 : 0514 / 0.22 / 0.16 / 0.08 / 0.06 : 0515 / 0.03 / 0.02 / 0.06 / 0.06 : 0516 / 0.04 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 1.02 inches :CORWIN SPRINGS, MT - YELLOWSTONE RIVER HSA - BYZ :LATEST RIVER DISCHARGE 12.300 KCFS AT 1400Z ON MAY 13 : .ER CORM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 11.732 / 11.022 / 12.046 .E2 : 0514 : / 13.304 / 11.593 / 9.825 / 10.377 .E3 : 0515 : / 10.928 / 9.301 / 8.029 / 8.497 .E4 : 0516 : / 8.964 / 7.917 / 6.869 / 7.411 .E5 : 0517 : / 7.954 / 7.094 / 6.233 / 7.206 .E6 : 0518 : / 8.179 / 7.300 / 6.420 / 6.949 .E7 : 0519 : / 7.326 / 7.139 / 6.585 / 6.318 .E8 : 0520 : / 6.443 : :________________________________________________________________ :LIVINGSTON 5 S, MT - YELLOWSTONE RIVER HSA - BYZ :MINOR FLOOD STAGE 10.0 FT FCST ISSUANCE STAGE 8.0 FT :MODERATE FLOOD STAGE 10.5 FT MAJOR FLOOD STAGE 11.0 FT :LATEST RIVER STAGE 6.6 FT AT 1500Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 6.5 / 6.2 / 6.0 / 6.2 : .ER LIVM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 6.9 / 6.4 / 6.1 .E2 : 0514 : / 6.2 / 6.6 / 6.1 / 5.6 .E3 : 0515 : / 5.8 / 6.1 / 5.7 / 5.2 .E4 : 0516 : / 5.2 / 5.5 / 5.2 / 5.0 .E5 : 0517 : / 5.0 / 5.1 / 4.9 / 4.7 .E6 : 0518 : / 4.8 / 5.0 / 4.9 / 4.7 .E7 : 0519 : / 4.7 / 4.8 / 4.8 / 4.6 .E8 : 0520 : / 4.5 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.00 / 0.02 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 15Z is 0.02 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.06 / 0.17 / 0.20 : 0514 / 0.28 / 0.25 / 0.14 / 0.09 : 0515 / 0.02 / 0.04 / 0.08 / 0.06 : 0516 / 0.03 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 1.42 inches :LIVINGSTON 5 S, MT - YELLOWSTONE RIVER HSA - BYZ :LATEST RIVER DISCHARGE 17.300 KCFS AT 1500Z ON MAY 13 : .ER LIVM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 18.716 / 16.358 / 14.733 .E2 : 0514 : / 15.490 / 17.062 / 14.967 / 12.873 .E3 : 0515 : / 13.520 / 14.962 / 13.156 / 11.026 .E4 : 0516 : / 11.339 / 12.264 / 11.359 / 10.331 .E5 : 0517 : / 10.309 / 10.671 / 10.168 / 9.370 .E6 : 0518 : / 9.761 / 10.574 / 10.205 / 9.429 .E7 : 0519 : / 9.485 / 9.752 / 9.693 / 9.237 .E8 : 0520 : / 8.861 : :________________________________________________________________ :LIVINGSTON 7 NE, MT - SHIELDS RIVER HSA - BYZ :MINOR FLOOD STAGE 5.5 FT FCST ISSUANCE STAGE 4.5 FT :MODERATE FLOOD STAGE Missing MAJOR FLOOD STAGE Missing :LATEST RIVER STAGE 3.7 FT AT 1415Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 3.7 / 3.7 / 3.7 / 3.7 : .ER SLDM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 3.7 / 3.6 / 3.7 .E2 : 0514 : / 3.7 / 3.7 / 3.8 / 3.8 .E3 : 0515 : / 3.7 / 3.6 / 3.5 / 3.5 .E4 : 0516 : / 3.5 / 3.5 / 3.4 / 3.4 .E5 : 0517 : / 3.4 / 3.4 / 3.4 / 3.4 .E6 : 0518 : / 3.4 / 3.4 / 3.4 / 3.3 .E7 : 0519 : / 3.3 / 3.2 / 3.2 / 3.1 .E8 : 0520 : / 3.1 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.00 / 0.03 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 14Z is 0.03 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.08 / 0.18 / 0.19 : 0514 / 0.26 / 0.28 / 0.12 / 0.08 : 0515 / 0.02 / 0.03 / 0.05 / 0.01 : 0516 / 0.00 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 1.30 inches :LIVINGSTON 7 NE, MT - SHIELDS RIVER HSA - BYZ :LATEST RIVER DISCHARGE 1.870 KCFS AT 1415Z ON MAY 13 : .ER SLDM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 1.874 / 1.787 / 1.851 .E2 : 0514 : / 1.940 / 1.905 / 1.996 / 2.041 .E3 : 0515 : / 1.944 / 1.828 / 1.724 / 1.653 .E4 : 0516 : / 1.634 / 1.649 / 1.610 / 1.561 .E5 : 0517 : / 1.568 / 1.605 / 1.588 / 1.554 .E6 : 0518 : / 1.553 / 1.565 / 1.538 / 1.481 .E7 : 0519 : / 1.430 / 1.374 / 1.329 / 1.276 .E8 : 0520 : / 1.229 : :________________________________________________________________ :BIG TIMBER 1 E, MT - BOULDER RIVER HSA - BYZ :MINOR FLOOD STAGE 8.0 FT FCST ISSUANCE STAGE 6.5 FT :MODERATE FLOOD STAGE Missing MAJOR FLOOD STAGE Missing :LATEST RIVER STAGE 4.7 FT AT 1500Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 4.6 / 4.4 / 4.3 / 4.7 : .ER BTMM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 4.6 / 4.4 / 4.3 .E2 : 0514 : / 4.7 / 4.6 / 4.1 / 3.7 .E3 : 0515 : / 3.4 / 3.1 / 3.0 / 2.9 .E4 : 0516 : / 3.0 / 3.0 / 3.0 / 2.9 .E5 : 0517 : / 3.0 / 3.1 / 3.0 / 2.9 .E6 : 0518 : / 3.1 / 3.3 / 3.2 / 3.1 .E7 : 0519 : / 3.2 / 3.2 / 3.0 / 2.9 .E8 : 0520 : / 2.9 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 15Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.05 / 0.32 / 0.37 : 0514 / 0.46 / 0.32 / 0.21 / 0.06 : 0515 / 0.02 / 0.03 / 0.05 / 0.03 : 0516 / 0.01 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 1.93 inches :BIG TIMBER 1 E, MT - BOULDER RIVER HSA - BYZ :LATEST RIVER DISCHARGE 2.910 KCFS AT 1500Z ON MAY 13 : .ER BTMM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 2.786 / 2.532 / 2.396 .E2 : 0514 : / 2.904 / 2.830 / 2.199 / 1.785 .E3 : 0515 : / 1.403 / 1.139 / 1.032 / 0.980 .E4 : 0516 : / 1.024 / 1.063 / 0.996 / 0.933 .E5 : 0517 : / 1.012 / 1.077 / 1.002 / 0.978 .E6 : 0518 : / 1.148 / 1.319 / 1.256 / 1.131 .E7 : 0519 : / 1.194 / 1.225 / 1.051 / 0.940 .E8 : 0520 : / 0.921 : :________________________________________________________________ :ABSAROKEE 1 NE, MT - STILLWATER RIVER HSA - BYZ :MINOR FLOOD STAGE 7.5 FT FCST ISSUANCE STAGE 6.0 FT :MODERATE FLOOD STAGE 8.0 FT MAJOR FLOOD STAGE 9.0 FT :LATEST RIVER STAGE 4.7 FT AT 1415Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 4.6 / 4.5 / 4.5 / 4.7 : .ER SRAM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 4.8 / 4.5 / 4.1 .E2 : 0514 : / 4.6 / 5.3 / 5.1 / 4.4 .E3 : 0515 : / 3.7 / 3.2 / 3.4 / 3.3 .E4 : 0516 : / 2.8 / 2.9 / 2.8 / 2.7 .E5 : 0517 : / 2.7 / 2.8 / 2.7 / 2.7 .E6 : 0518 : / 2.8 / 2.9 / 2.9 / 2.8 .E7 : 0519 : / 2.9 / 2.9 / 2.8 / 2.7 .E8 : 0520 : / 2.6 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 14Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.01 / 0.35 / 0.63 : 0514 / 0.54 / 0.32 / 0.15 / 0.04 : 0515 / 0.01 / 0.03 / 0.06 / 0.04 : 0516 / 0.00 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 2.18 inches :ABSAROKEE 1 NE, MT - STILLWATER RIVER HSA - BYZ :LATEST RIVER DISCHARGE 3.590 KCFS AT 1415Z ON MAY 13 : .ER SRAM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 3.713 / 3.294 / 2.781 .E2 : 0514 : / 3.447 / 4.544 / 4.205 / 3.182 .E3 : 0515 : / 2.320 / 1.765 / 1.984 / 1.866 .E4 : 0516 : / 1.410 / 1.427 / 1.352 / 1.286 .E5 : 0517 : / 1.296 / 1.330 / 1.303 / 1.270 .E6 : 0518 : / 1.368 / 1.507 / 1.464 / 1.378 .E7 : 0519 : / 1.448 / 1.452 / 1.340 / 1.257 .E8 : 0520 : / 1.227 : :________________________________________________________________ :BELFRY 10 SW, MT - CLARKS YELLOWSTONE RIVER HSA - BYZ :MINOR FLOOD STAGE 9.0 FT FCST ISSUANCE STAGE 7.5 FT :MODERATE FLOOD STAGE 10.0 FT MAJOR FLOOD STAGE 11.5 FT :LATEST RIVER STAGE 5.4 FT AT 1500Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 5.1 / 4.8 / 5.2 / 5.6 : .ER BFYM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 5.3 / 4.6 / 5.1 .E2 : 0514 : / 6.2 / 6.0 / 5.1 / 4.6 .E3 : 0515 : / 4.6 / 4.5 / 4.1 / 3.9 .E4 : 0516 : / 4.2 / 4.2 / 3.9 / 3.7 .E5 : 0517 : / 3.7 / 3.8 / 3.5 / 3.4 .E6 : 0518 : / 3.5 / 3.6 / 3.5 / 3.4 .E7 : 0519 : / 3.4 / 3.5 / 3.3 / 3.2 .E8 : 0520 : / 3.2 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 15Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.00 / 0.15 / 0.46 : 0514 / 0.28 / 0.10 / 0.13 / 0.02 : 0515 / 0.02 / 0.01 / 0.07 / 0.07 : 0516 / 0.00 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 1.31 inches :BELFRY 10 SW, MT - CLARKS YELLOWSTONE RIVER HSA - BYZ :LATEST RIVER DISCHARGE 5.590 KCFS AT 1500Z ON MAY 13 : .ER BFYM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 5.219 / 4.020 / 4.890 .E2 : 0514 : / 6.974 / 6.564 / 4.753 / 3.898 .E3 : 0515 : / 4.006 / 3.811 / 3.107 / 2.917 .E4 : 0516 : / 3.322 / 3.348 / 2.826 / 2.545 .E5 : 0517 : / 2.635 / 2.677 / 2.402 / 2.235 .E6 : 0518 : / 2.334 / 2.456 / 2.323 / 2.180 .E7 : 0519 : / 2.270 / 2.305 / 2.106 / 1.996 .E8 : 0520 : / 2.033 : :________________________________________________________________ :EDGAR, MT - CLARKS YELLOWSTONE RIVER HSA - BYZ :MINOR FLOOD STAGE 9.0 FT FCST ISSUANCE STAGE 7.5 FT :MODERATE FLOOD STAGE 10.0 FT MAJOR FLOOD STAGE 11.5 FT :LATEST RIVER STAGE 6.3 FT AT 1430Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 6.3 / 6.3 / 6.0 / 5.8 : .ER EDGM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 6.5 / 6.3 / 6.1 .E2 : 0514 : / 5.9 / 6.9 / 6.7 / 6.2 .E3 : 0515 : / 5.7 / 5.8 / 5.6 / 5.2 .E4 : 0516 : / 5.2 / 5.4 / 5.3 / 5.0 .E5 : 0517 : / 4.9 / 5.0 / 4.9 / 4.7 .E6 : 0518 : / 4.6 / 4.7 / 4.8 / 4.6 .E7 : 0519 : / 4.6 / 4.6 / 4.6 / 4.4 .E8 : 0520 : / 4.4 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 14Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.00 / 0.06 / 0.69 : 0514 / 0.38 / 0.22 / 0.14 / 0.05 : 0515 / 0.02 / 0.02 / 0.07 / 0.04 : 0516 / 0.00 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 1.69 inches :EDGAR, MT - CLARKS YELLOWSTONE RIVER HSA - BYZ :LATEST RIVER DISCHARGE 4.660 KCFS AT 1430Z ON MAY 13 : .ER EDGM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 5.075 / 4.727 / 4.379 .E2 : 0514 : / 4.032 / 6.191 / 5.417 / 4.642 .E3 : 0515 : / 3.868 / 3.979 / 3.695 / 3.175 .E4 : 0516 : / 3.140 / 3.427 / 3.325 / 2.900 .E5 : 0517 : / 2.724 / 2.793 / 2.755 / 2.523 .E6 : 0518 : / 2.427 / 2.520 / 2.570 / 2.441 .E7 : 0519 : / 2.360 / 2.427 / 2.402 / 2.236 .E8 : 0520 : / 2.165 : :________________________________________________________________ :BILLINGS 1 NE, MT - YELLOWSTONE RIVER HSA - BYZ :MINOR FLOOD STAGE 13.5 FT FCST ISSUANCE STAGE 11.5 FT :MODERATE FLOOD STAGE 14.5 FT MAJOR FLOOD STAGE 15.0 FT :LATEST RIVER STAGE 8.7 FT AT 1500Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 8.3 / 8.5 / 8.6 / 8.7 : .ER BILM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 8.8 / 8.8 / 8.9 .E2 : 0514 : / 9.0 / 9.1 / 8.9 / 8.8 .E3 : 0515 : / 8.9 / 8.8 / 8.3 / 8.1 .E4 : 0516 : / 8.0 / 7.8 / 7.4 / 7.2 .E5 : 0517 : / 7.2 / 7.1 / 6.9 / 6.8 .E6 : 0518 : / 6.8 / 6.8 / 6.7 / 6.6 .E7 : 0519 : / 6.7 / 6.8 / 6.7 / 6.5 .E8 : 0520 : / 6.5 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 15Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.02 / 0.18 / 0.58 : 0514 / 0.50 / 0.34 / 0.17 / 0.05 : 0515 / 0.01 / 0.01 / 0.05 / 0.03 : 0516 / 0.00 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 1.94 inches :BILLINGS 1 NE, MT - YELLOWSTONE RIVER HSA - BYZ :LATEST RIVER DISCHARGE 28.700 KCFS AT 1400Z ON MAY 13 : .ER BILM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 28.817 / 28.849 / 29.088 .E2 : 0514 : / 29.640 / 30.272 / 29.199 / 28.806 .E3 : 0515 : / 29.451 / 28.512 / 25.890 / 24.311 .E4 : 0516 : / 24.041 / 22.811 / 20.307 / 19.017 .E5 : 0517 : / 19.246 / 18.956 / 17.820 / 17.120 .E6 : 0518 : / 17.140 / 17.030 / 16.447 / 16.256 .E7 : 0519 : / 16.785 / 17.025 / 16.446 / 15.921 .E8 : 0520 : / 15.781 : :________________________________________________________________ :FORSYTH, MT - YELLOWSTONE RIVER HSA - BYZ :MINOR FLOOD STAGE 14.0 FT FCST ISSUANCE STAGE 12.0 FT :MODERATE FLOOD STAGE Missing MAJOR FLOOD STAGE Missing :LATEST RIVER STAGE 5.7 FT AT 1445Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 5.1 / 5.2 / 5.4 / 5.6 : .ER FRYM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 6.0 / 6.1 / 6.2 .E2 : 0514 : / 6.3 / 6.4 / 6.4 / 6.5 .E3 : 0515 : / 6.5 / 6.6 / 6.6 / 6.6 .E4 : 0516 : / 6.6 / 6.6 / 6.4 / 6.3 .E5 : 0517 : / 6.2 / 6.1 / 5.9 / 5.7 .E6 : 0518 : / 5.6 / 5.5 / 5.3 / 5.2 .E7 : 0519 : / 5.1 / 5.1 / 5.0 / 4.9 .E8 : 0520 : / 4.9 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.05 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 14Z is 0.05 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.00 / 0.00 / 0.20 : 0514 / 0.40 / 0.32 / 0.17 / 0.07 : 0515 / 0.06 / 0.03 / 0.06 / 0.01 : 0516 / 0.00 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 1.32 inches :FORSYTH, MT - YELLOWSTONE RIVER HSA - BYZ :LATEST RIVER DISCHARGE 26.200 KCFS AT 1445Z ON MAY 13 : .ER FRYM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 28.298 / 29.429 / 30.250 .E2 : 0514 : / 30.927 / 31.532 / 31.977 / 32.393 .E3 : 0515 : / 32.863 / 33.236 / 33.270 / 33.258 .E4 : 0516 : / 33.377 / 33.047 / 32.026 / 30.952 .E5 : 0517 : / 30.125 / 29.016 / 27.426 / 26.026 .E6 : 0518 : / 25.218 / 24.537 / 23.624 / 22.759 .E7 : 0519 : / 22.199 / 21.777 / 21.341 / 21.058 .E8 : 0520 : / 21.025 : :________________________________________________________________ :MILES CITY 1 NW, MT - YELLOWSTONE RIVER HSA - BYZ :MINOR FLOOD STAGE 14.0 FT FCST ISSUANCE STAGE 12.0 FT :MODERATE FLOOD STAGE Missing MAJOR FLOOD STAGE Missing :LATEST RIVER STAGE 6.9 FT AT 1500Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 6.3 / 6.5 / 6.7 / 6.8 : .ER MILM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 7.0 / 7.3 / 7.7 .E2 : 0514 : / 7.9 / 8.1 / 8.2 / 8.3 .E3 : 0515 : / 8.4 / 8.5 / 8.6 / 8.6 .E4 : 0516 : / 8.6 / 8.7 / 8.7 / 8.6 .E5 : 0517 : / 8.5 / 8.4 / 8.2 / 8.1 .E6 : 0518 : / 7.9 / 7.6 / 7.5 / 7.3 .E7 : 0519 : / 7.2 / 7.0 / 6.9 / 6.8 .E8 : 0520 : / 6.7 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.02 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 15Z is 0.02 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.00 / 0.00 / 0.08 : 0514 / 0.31 / 0.28 / 0.12 / 0.06 : 0515 / 0.07 / 0.02 / 0.07 / 0.02 : 0516 / 0.01 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 1.04 inches :MILES CITY 1 NW, MT - YELLOWSTONE RIVER HSA - BYZ :LATEST RIVER DISCHARGE 23.100 KCFS AT 1400Z ON MAY 13 : .ER MILM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 23.615 / 25.133 / 27.478 .E2 : 0514 : / 29.017 / 30.140 / 30.953 / 31.657 .E3 : 0515 : / 32.223 / 32.732 / 33.262 / 33.731 .E4 : 0516 : / 33.890 / 33.934 / 34.025 / 33.824 .E5 : 0517 : / 33.061 / 32.075 / 31.179 / 30.125 .E6 : 0518 : / 28.697 / 27.275 / 26.254 / 25.460 .E7 : 0519 : / 24.589 / 23.720 / 23.051 / 22.545 .E8 : 0520 : / 22.089 : :________________________________________________________________ :GLENDIVE 1 E, MT - YELLOWSTONE RIVER HSA - GGW :MINOR FLOOD STAGE 53.5 FT FCST ISSUANCE STAGE 51.5 FT :MODERATE FLOOD STAGE 60.0 FT MAJOR FLOOD STAGE 65.0 FT :LATEST RIVER STAGE 46.1 FT AT 1500Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 45.6 / 45.8 / 45.9 / 46.1 : .ER GLNM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 46.1 / 46.2 / 46.3 .E2 : 0514 : / 46.5 / 46.7 / 46.9 / 47.1 .E3 : 0515 : / 47.3 / 47.4 / 47.5 / 47.5 .E4 : 0516 : / 47.6 / 47.7 / 47.7 / 47.7 .E5 : 0517 : / 47.7 / 47.7 / 47.7 / 47.6 .E6 : 0518 : / 47.4 / 47.3 / 47.2 / 47.0 .E7 : 0519 : / 46.8 / 46.7 / 46.5 / 46.4 .E8 : 0520 : / 46.3 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 15Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.00 / 0.00 / 0.01 : 0514 / 0.19 / 0.07 / 0.10 / 0.03 : 0515 / 0.04 / 0.05 / 0.08 / 0.07 : 0516 / 0.06 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 0.70 inches :GLENDIVE 1 E, MT - YELLOWSTONE RIVER HSA - GGW :LATEST RIVER DISCHARGE 22.600 KCFS AT 1500Z ON MAY 13 : .ER GLNM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 22.763 / 23.155 / 23.681 .E2 : 0514 : / 25.093 / 26.693 / 28.311 / 29.709 .E3 : 0515 : / 30.805 / 31.648 / 32.330 / 32.916 .E4 : 0516 : / 33.428 / 33.847 / 34.153 / 34.328 .E5 : 0517 : / 34.350 / 34.168 / 33.731 / 33.041 .E6 : 0518 : / 32.147 / 31.095 / 29.921 / 28.697 .E7 : 0519 : / 27.534 / 26.496 / 25.575 / 24.744 .E8 : 0520 : / 24.009 : :________________________________________________________________ :SIDNEY 2 S, MT - YELLOWSTONE RIVER HSA - GGW :MINOR FLOOD STAGE 19.0 FT FCST ISSUANCE STAGE 17.0 FT :MODERATE FLOOD STAGE 20.0 FT MAJOR FLOOD STAGE 21.7 FT :LATEST RIVER STAGE 6.8 FT AT 1400Z ON MAY 13 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0512 / 6.3 / 6.4 / 6.5 / 6.8 : .ER SIDM8 20250513 Z DC202505131524/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 7.0 / 7.2 / 7.3 .E2 : 0514 : / 7.4 / 7.6 / 7.9 / 8.2 .E3 : 0515 : / 8.5 / 8.8 / 9.0 / 9.2 .E4 : 0516 : / 9.4 / 9.5 / 9.6 / 9.7 .E5 : 0517 : / 9.8 / 9.8 / 9.9 / 9.8 .E6 : 0518 : / 9.8 / 9.7 / 9.5 / 9.3 .E7 : 0519 : / 9.1 / 8.9 / 8.7 / 8.4 .E8 : 0520 : / 8.2 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0512 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 13 at 14Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0513 / 0.00 / 0.00 / 0.00 : 0514 / 0.21 / 0.05 / 0.06 / 0.04 : 0515 / 0.06 / 0.07 / 0.10 / 0.07 : 0516 / 0.07 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 16 0.73 inches :SIDNEY 2 S, MT - YELLOWSTONE RIVER HSA - GGW :LATEST RIVER DISCHARGE 18.600 KCFS AT 1400Z ON MAY 13 : .ER SIDM8 20250513 Z DC202505131524/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0513 : / 19.127 / 20.036 / 20.686 .E2 : 0514 : / 21.257 / 22.007 / 23.168 / 24.614 .E3 : 0515 : / 26.182 / 27.622 / 28.866 / 29.878 .E4 : 0516 : / 30.670 / 31.322 / 31.877 / 32.345 .E5 : 0517 : / 32.732 / 32.976 / 33.067 / 32.995 .E6 : 0518 : / 32.676 / 32.106 / 31.356 / 30.395 .E7 : 0519 : / 29.313 / 28.156 / 27.025 / 25.962 .E8 : 0520 : / 25.014 : :**************************************************************** :COMMENT : : :HSA - Hydrologic Service Area :WFO - Weather Forecast Office :RIW - NWS WFO Riverton, Wyoming :BYZ - NWS WFO Billings, Montana :GGW - NWS WFO Glasgow, Montana :OBS - Observed :EST - Estimated :M - Missing :Stage Fcst - River Stage forecast including future precipitation :Flow Fcst - River Flow forecast including future precipitation :Precip - Precipitation :QPE - Observed radar estimated precipitation :QPF - Forecasted mean areal precipitation for local basin : : $$ :MBRFC alc :...END of MESSAGE...