Extended Streamflow Prediction
Issued by NWS Arkansas-Red Basin RFC

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5
650
FGUS64 KTUA 041814
ESPTUA
                       National Weather Service
                  Arkansas Red River Forecast Center

 2026 Water Supply Forecast                     Issued as of June 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

UPPER ARKANSAS RIVER BASIN, COLORADO
ARKANSAS RIVER
  Granite, Co           001       65     33     109   56     99   51    195
  Salida, Co            001      100     34     158   54     64   22    290
  Canon City, Co        001      130     35     201   54     65   17    375
  Pueblo Abv, Co        001      140     33     230   54     72   17    425
GRAPE CREEK
  Westcliffe Nr, Co     001      3.6     24     8.9   60    2.3   16   14.8
CUCHARAS RIVER
  Boyd Ranch, La Veta   001      2.2     19     6.2   54    1.2   11   11.4
PURGATOIRE  RIVER
  Trinidad, Co          001      6.2     15      24   57    3.1    7     42
HUERFANO RIVER
  Redwing Nr, Co        001      4.7     35     8.3   61    2.9   21   13.6
CHALK CREEK
  Nathrop Nr, Co        001     10.6     42    18.1   72    4.9   20     25

LOWER ARKANSAS RIVER BASIN, COLORADO
**ARKANSAS RIVER
  Las Animas, Co        001      70     48     108   74     29    20    147
**PURGATOIRE RIVER
  Las Animas, Co        001       6     25      18   75    1.5     6     24

*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.
   ****************************************************************
   *                                                              *
   *        This, and additional Water Supply Information,        *
   *              can be found on our Web Page at:                *
   *                                                              *
   *            http://www.weather.gov/abrfc/water_supply         *
   *                                                              *
   ****************************************************************
$$