Mon May 20 05:40:31 EDT 2024

Yankton-
Including the city of Yankton
440 AM CDT Mon May 20 2024

.TODAY...
Sky/weather.........Partly cloudy until 1200, then partly sunny. 
                    Slight chance of showers and thunderstorms 
                    after 1200. Chance of precipitation 20 percent. 
Max temperature.....75-80. 
Min humidity........57-62 percent. 
20-foot winds.......Northwest winds 7 to 12 mph. 
Haines Index........4 or low. 
Hours of Sun........7 hours. 
Precipitation.......None. 
Mixing Height.......Around 3500 ft AGL (Ave 12-6 pm). 
Transport Winds.....North around 11 mph (Ave 12-6 pm). 
Smoke Dispersal.....Around 38000 or good (Ave 12-6 pm). 
Max GFDI Index......Low. 

.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of showers and 
                    thunderstorms until midnight, then showers and 
                    chance of thunderstorms. Chance of 
                    precipitation near 100 percent. 
Min temperature.....55-60. 
Max humidity........94-99 percent. 
20-foot winds.......Northeast winds 12 to 17 mph with gusts to 
                    around 25 mph. 
Precipitation.......Widespread 0.75 to 1.00 inch amounts. 

.TUESDAY...
Sky/weather.........Cloudy. Showers with thunderstorms likely until 
                    1200, then showers likely and chance of 
                    thunderstorms. Chance of precipitation near 100 
                    percent. 
Max temperature.....61-66. 
Min humidity........69-74 percent. 
20-foot winds.......North winds 19 to 24 mph. Gusts up to 27 mph 
                    increasing to 39 mph in the afternoon. 
Haines Index........3 or very low. 
Hours of Sun........1 hours. 
Precipitation.......Widespread 1.00 to 1.50 inch amounts. 
Mixing Height.......Around 2100 ft AGL (Ave 12-6 pm). 
Transport Winds.....North around 23 mph (Ave 12-6 pm). 
Smoke Dispersal.....Around 49000 or good (Ave 12-6 pm). 
Max GFDI Index......Low. 


.Forecast days 3 through 7......
.TUESDAY NIGHT...Cooler. Mostly cloudy. Chance of showers and
slight chance of thunderstorms. Lows in the 40s. Northwest winds
19 to 24 mph with gusts to around 36 mph. Chance of precipitation
40 percent. 
.WEDNESDAY...Partly cloudy. Slight chance of showers. Highs 70 to
75. Northwest winds 11 to 16 mph. Chance of showers 20 percent. 
.WEDNESDAY NIGHT...Mostly clear. Lows 45 to 50. Southwest winds
6 to 11 mph. 
.THURSDAY...Partly cloudy. Highs in the 70s. South winds 10 to
15 mph. 
.THURSDAY NIGHT...Partly cloudy. Chance of showers and
thunderstorms. Lows in the 50s. Southeast winds 10 to 15 mph.
Chance of precipitation 50 percent. 
.FRIDAY...Showers likely and slight chance of thunderstorms.
Highs 70 to 75. West winds 11 to 16 mph with gusts to around
24 mph. Chance of precipitation 70 percent. 
.FRIDAY NIGHT...Partly cloudy. Chance of showers and
thunderstorms. Lows 45 to 50. West winds 8 to 13 mph. Chance of
precipitation 30 percent. 
.SATURDAY...Partly cloudy. Highs in the 70s. South winds 6 to
11 mph. 
.SATURDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the 50s. Southeast winds 5 to 10 mph.
Chance of precipitation 20 percent. 
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Highs in the 70s. Southeast winds 7 to 12 mph.
Chance of precipitation 40 percent.