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Current Weather Conditions for Lyman, SD

Mostly sunny, with a high near 101. Heat index values as high as 103. South wind 12 to 18 mph, with gusts as high as 26 mph.
90°F

Conditions

Wind: 12 mph S
Humidity: 52%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM
90° 92° 94° 97° 101° 99° 99° 96° 91° 87° 85° 83° 82°

Upcoming Week

Day Forecast High Low
This Afternoon
Mostly Sunny
Mostly sunny, with a high near 101. Heat index values as high as 103. South wind 12 to 18 mph, with gusts as high as 26 mph.
101°F 79°F
Tonight
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms between 7pm and midnight. Partly cloudy. Low around 74, with temperatures rising to around 77 overnight. Heat index values as high as 102. South wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
101°F 79°F
Monday
Sunny then Patchy Smoke
Patchy smoke after 3pm. Sunny, with a high near 99. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.
101°F 79°F
Monday Night
Patchy Smoke then Mostly Clear
Patchy smoke before 8pm. Mostly clear, with a low around 68. North wind 12 to 16 mph.
101°F 79°F
Tuesday
Sunny
Sunny, with a high near 87. North wind 10 to 17 mph, with gusts as high as 26 mph.
101°F 79°F
Tuesday Night
Partly Cloudy
Partly cloudy, with a low around 62. East northeast wind 8 to 15 mph.
101°F 79°F
Wednesday
Slight Chance Rain Showers
A slight chance of rain showers after 7am. Mostly cloudy, with a high near 83. Southeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
101°F 79°F
Wednesday Night
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
101°F 79°F
Thursday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 85. South southeast wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
101°F 79°F
Thursday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
101°F 79°F
Friday
Slight Chance Showers And Thunderstorms then Partly Sunny
A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 90. Chance of precipitation is 20%.
101°F 79°F
Friday Night
Mostly Clear
Mostly clear, with a low around 66.
101°F 79°F
Saturday
Sunny
Sunny, with a high near 97.
101°F 79°F
Saturday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
101°F 79°F
Data provided by weather.gov