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Current Weather Conditions for Lyman, SD

Mostly sunny, with a high near 99. Heat index values as high as 101. South wind 9 to 18 mph, with gusts as high as 26 mph.
79°F

Conditions

Wind: 9 mph S
Humidity: 69%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM
79° 82° 86° 90° 93° 96° 97° 99° 98° 97° 95° 90° 86°

Upcoming Week

Day Forecast High Low
Today
Mostly Sunny
Mostly sunny, with a high near 99. Heat index values as high as 101. South wind 9 to 18 mph, with gusts as high as 26 mph.
99°F 79°F
Tonight
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms between 7pm and 10pm. Mostly cloudy, with a low around 69. Heat index values as high as 99. East southeast wind 7 to 16 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
99°F 79°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 96. East southeast wind 7 to 21 mph, with gusts as high as 30 mph.
99°F 79°F
Tuesday Night
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms between 7pm and 10pm, then showers and thunderstorms. Mostly cloudy, with a low around 68. South wind 10 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
99°F 79°F
Wednesday
Showers And Thunderstorms
Showers and thunderstorms before 1pm. Partly sunny, with a high near 87. North northwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
99°F 79°F
Wednesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Northeast wind 7 to 12 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
99°F 79°F
Thursday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 85. East northeast wind around 9 mph. Chance of precipitation is 40%.
99°F 79°F
Thursday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Mostly cloudy, with a low around 62. East southeast wind 6 to 10 mph. Chance of precipitation is 40%.
99°F 79°F
Friday
Mostly Sunny
Mostly sunny, with a high near 87. South southeast wind 6 to 12 mph.
99°F 79°F
Friday Night
Mostly Clear
Mostly clear, with a low around 65.
99°F 79°F
Saturday
Sunny
Sunny, with a high near 95.
99°F 79°F
Saturday Night
Mostly Clear
Mostly clear, with a low around 71.
99°F 79°F
Sunday
Sunny
Sunny, with a high near 99.
99°F 79°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 72.
99°F 79°F
Data provided by weather.gov