FGCN01 CHWX

FGCN01 CWHX 180520 ENVIRONMENT CANADA SAINT JOHN RIVER BASIN TEMPERATURE AND PRECIPITATION FORECASTS FOR NB POWER ISSUED AT 2:15 AM ADT MONDAY 18 MAY 2026. MAXIMUM AND MINIMUM TEMPERATURE AND PRECIPITATION FORECASTS FOR THE UPPER(U), MIDDLE(M) AND LOWER(L) SAINT JOHN RIVER BASIN U = NORTH OF BEECHWOOD M = BEECHWOOD TO MACTAQUAC L = SOUTH OF MACTAQUAC PRECIPITATION AMOUNTS ARE FOR THE 24 HOUR PERIOD FROM 12Z (0800 AST) ON THE FIRST DAY TO 12Z ON THE FOLLOWING DAY TEMPERATURE MAXIMA ARE FOR THE FIRST 12 HOURS OF EACH 24 HOUR PERIOD (12Z THROUGH 00Z) TEMPERATURE MINIMA ARE FOR THE SECOND 12 HOURS OF EACH 24 HOUR PERIOD (00Z THROUGH 12Z) MON. MAY 18, 2026 TO SAT. MAY 23, 2026 (DEG. C) | M/T | T/W | W/T | T/F | F/S | TEMP U | 16/10 | 19/15 | 21/4 | 9/4 | 14/4 | M | 18/12 | 24/17 | 26/5 | 11/5 | 16/5 | L | 18/11 | 22/15 | 27/8 | 12/6 | 16/5 | MON. MAY 18, 2026 TO SAT. MAY 23, 2026 (MM) | M/T | T/W | W/T | T/F | F/S | PCPN U | 2-10 | 2-10 | 2-5 | 0-0 | 0-0 | M | 0-0 | 2-10 | 2-5 | 0-0 | 0-0 | L | 0-0 | 0-7 | 0-3 | 0-0 | 0-0 | TEMPERATURE NORMALS FOR THE PERIOD (DEG. C): | MAY 18 | MAY 23 | TEMP U | 17/4 | 18/5 | M | 19/5 | 20/6 | L | 18/5 | 19/6 | SYNOPSIS: AN INCOMING FRONTAL TROUGH OF LOW PRESSURE WILL SIT OVER THE BASIN FOR THE BEGINNING OF THE WEEK GIVING OCCASIONAL SHOWERS AND ISOLATED THUNDERSHOWERS. THE TROUGH WILL SLIDE SOUTH OF NEW BRUNSWICK WEDNESDAY NIGHT BRINGING FAIR WEATHER AND COOLER TEMPERATURES FOR THE END OF THE WEEK. THE FORECASTER MAY BE CONTACTED AT 1-902-426-4813 OR AT WEATHERASPC(a)EC.GC.CA END/ASPC