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Current Weather Conditions for Jefferson, SD

Mostly sunny, with a high near 97. Heat index values as high as 113. South wind 5 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
79°F

Conditions

Wind: 5 mph S
Humidity: 88%
Probability of Precipitation: 7%

Hourly Forcast (next 12 hours)

1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM
79° 83° 87° 90° 93° 95° 95° 96° 97° 97° 95° 93° 91°

Upcoming Week

Day Forecast High Low
Today
Mostly Sunny
Mostly sunny, with a high near 97. Heat index values as high as 113. South wind 5 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
97°F 79°F
Tonight
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 8pm and 1am. Partly cloudy, with a low around 76. Heat index values as high as 110. South southeast wind 5 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
97°F 79°F
Monday
Patchy Smoke
Patchy smoke between 10am and 2pm. Mostly sunny, with a high near 96. Heat index values as high as 101. North northeast wind 5 to 10 mph.
97°F 79°F
Monday Night
Partly Cloudy
Partly cloudy, with a low around 72. Northeast wind 0 to 5 mph.
97°F 79°F
Tuesday
Partly Sunny
Partly sunny, with a high near 91. East wind 0 to 5 mph.
97°F 79°F
Tuesday Night
Partly Cloudy
Partly cloudy, with a low around 69. Southeast wind around 5 mph.
97°F 79°F
Wednesday
Sunny
Sunny, with a high near 92.
97°F 79°F
Wednesday Night
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
97°F 79°F
Thursday
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.
97°F 79°F
Thursday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 50%.
97°F 79°F
Friday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
97°F 79°F
Friday Night
Mostly Clear
Mostly clear, with a low around 66.
97°F 79°F
Saturday
Mostly Sunny
Mostly sunny, with a high near 86.
97°F 79°F
Saturday Night
Mostly Clear
Mostly clear, with a low around 65.
97°F 79°F
Data provided by weather.gov