Prairie Fork Conservation Area / Missouri Department of Conservation Daily Weather Report Station: Callaway County, 2 miles southwest of Williamsburg 6/30/2025 Max. Temp. = 80.1 deg. F Min. Temp. = 65.4 deg. F Avg. Temp. = 71.6 deg. F Max. Wind = 20.6 mi/hr Time of Max Wind = 1901 CST Avg. Wind = 4.3 mi/hr Max. RH = 97.0 % Time of Max. RH = 600 CST Min. RH = 70.4 % Time of Min. RH = 1500 CST Max. Fuel Moisture = 100.0 % Time of Max. Fuel Moisture = 2359 CST Min. Fuel Moisture = 19.7 % Time of Min. Fuel Moisture = 21 CST Max. Bare Soil Temp. at 2 in. = 84.1 deg. F Time of Max. Bare Soil Temp. = 1600 CST Min. Bare Soil Temp. at 2 in. = 71.7 deg. F Time of Min. Bare Soil Temp. at 2 in. = 600 CST Max. Bare Soil Temp. at 4 in. = 81.2 deg. F Time of Max. Bare Soil Temp. at 4 in. = 1700 CST Min. Bare Soil Temp. at 4 in. = 72.8 deg. F Time of Min. Bare Soil Temp. at 4 in. = 700 CST Avg. Vapor Press. = 2.3 mb Avg. Vapor Press. Def. = 0.4 mb Precip. = 0.05 in Radiation = 9.74 MJoules/sq. meter Potential Evapotranspiration = 0.09 inches Growing Degree Days (45 F) = 26.6 Growing Degree Days (50 F) = 21.6 Growing Degree Days (55 F) = 16.6 Growing Degree Days (60 F) = 11.6 Heating Degree Days (65 F) = 0.0 Cooling Degree Days (65 F) = 6.6 Maximum Livestock Heat Stress Index = 76 Definition of Categories... HTI < 75 ... No Stress HTI = 75 to 78 ... Alert HTI = 79 to 83 ... Dangerous HTI = > 83 ... Emergency