Extended Streamflow Prediction
Issued by NWS Arkansas-Red Basin RFC
Issued by NWS Arkansas-Red Basin RFC
996
FGUS64 KTUA 041611
ESPTUA
National Weather Service
Arkansas Red River Forecast Center
2026 Water Supply Forecast Issued as of March 4, 2026
Forecast Runoff
Most Reasonable Reasonable Average
Probable Maximum Minimum 1991-2020
Forecast Forecast % % %
Point Period 1000 30YR 1000 30YR 1000 30YR 1000
(*) AF AVG. AF AVG. AF AVG. AF
*(1)Apr-Sep
*(2)Mar-Jun
UPPER ARKANSAS RIVER BASIN, COLORADO
ARKANSAS RIVER
Granite, Co 001 120 62 185 95 99 51 195
Salida, Co 001 175 60 270 93 79 27 290
Canon City, Co 001 225 60 355 95 105 28 375
Pueblo Abv, Co 001 255 60 420 99 115 27 425
GRAPE CREEK
Westcliffe Nr, Co 001 6.4 43 13.8 93 3.4 23 14.8
CUCHARAS RIVER
Boyd Ranch, La Veta 001 4.1 36 7.3 64 2.9 25 11.4
PURGATOIRE RIVER
Trinidad, Co 001 16.5 39 40 95 8.2 20 42
HUERFANO RIVER
Redwing Nr, Co 001 7 51 10.5 77 3.9 29 13.6
CHALK CREEK
Nathrop Nr, Co 001 16.4 66 29 116 8.1 32 25
LOWER ARKANSAS RIVER BASIN, COLORADO
**ARKANSAS RIVER
Las Animas, Co 001 100 69 155 107 60 41 147
**PURGATOIRE RIVER
Las Animas, Co 001 10.5 44 30 125 4.3 18 24
CANADIAN RIVER BASIN, NEW MEXICO
VERMEJO RIVER
Dawson Nr, NM 002 1.6 24 4.4 67 0.8 12 6.58
EAGLE NEST RES
Rsvr Inflow, NM 002 2.5 27 5.3 58 0.9 10 9.13
CIMARRON RIVER
Cimarron Nr, NM 002 3.5 26 9.5 70 1.4 10 13.5
PONIL CREEK
Cimarron Nr, NM 002 1.54 24 5.4 84 0.9 14 6.42
RAYADO CREEK
At Sauble Ranch, NM 002 1.74 28 4.6 74 0.7 11 6.19
*CONCHAS RES
Rsvr Inflow, NM 002 10.5 56 35 185 5.8 31 18
*Indicates the 30-year normal is based upon the 30-year median rather than the 30-year mean.
**Indicates the historical and forecast information is regulated or observed flow at the gage.
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