FNUS73 KFGF 251408 FWSFGF SPOT FORECAST FOR MARKS...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 908 AM CDT MON APR 25 2011 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 25. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WINDS WILL BE GENERALLY LIGHT FROM THE SOUTH TO SOUTHWEST IN A WEAK PRESSURE GRADIENT. THIS WILL RESULT IN POOR TO FAIR SMOKE DISPERSAL THROUGH THE BURN PERIOD. SOLAR HEATING WILL CAUSE SOME INSTABILITY LATER TODAY AS TEMPERATURES CLIMB INTO THE MID 60S. THUS...EXPECT SCATTERED SHOWERS AROUND MID AFTERNOON. OTHERWISE...EXPECT MINIMUM HUMIDITIES TO DROP TO THE 35 TO 40 PERCENT RANGE BY MID TO LATE AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....63-68. MIN HUMIDITY........29-34 PERCENT. WIND (20 FT)........SOUTH WINDS UP TO 5 MPH UNTIL LATE AFTERNOON BECOMING LIGHT. MIXING HEIGHT.......300 FT AGL INCREASING TO 10000-10400 FT AGL. MIXING WINDS........SOUTHEAST 6 TO 14 MPH. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........17 21 26 32 38 43 47 46 WEATHER COV..... WEATHER TYPE.... TEMP............54 57 60 62 64 64 65 65 RH..............58 47 42 40 36 34 35 36 20 FT WIND DIR..S SW SW S S S S S 20 FT WIND SPD..5 5 5 5 5 5 4 3 20 FT WIND GUST.10 10 10 10 10 10 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....41-46. MAX HUMIDITY........63-68 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 7 MPH LATE IN THE EVENING. MIXING HEIGHT.......9800 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........EAST 9 TO 17 MPH DECREASING TO 6 TO 8 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........46 53 66 77 81 83 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............64 59 53 50 47 45 RH..............37 44 54 61 63 66 20 FT WIND......SE 2 SE 3 SE 4 E 5 E 5 E 5 20 FT WIND GUST.5 5 5 10 10 10 .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. MAX TEMPERATURE.....54-59. MIN HUMIDITY........40-45 PERCENT. WIND (20 FT)........NORTHEAST WINDS 6 TO 11 MPH. MIXING HEIGHT.......300 FT AGL INCREASING TO 6900-7800 FT AGL. MIXING WINDS........EAST 8 TO 16 MPH INCREASING TO 20 TO 24 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........83 84 85 86 WEATHER COV.....S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............44 48 54 56 RH..............68 68 52 45 20 FT WIND......E 6G10 E 5G10 NE 9G15 NE 10G15 $$ FORECASTER...HOPKINS REQUESTED BY...CORY HENRY TYPE OF REQUEST...PRESCRIBED .TAG 20110425.MARKS.01/FGF