National Weather Service State College, PA Weather Impact Matrix for Lebanon County Decision Support Valid: 05/20/2026 11 AM - 05/20/2026 10 PM EDT

Wed 05/20 11 AM Wed 05/20 12 PM Wed 05/20 1 PM Wed 05/20 2 PM Wed 05/20 3 PM Wed 05/20 4 PM Wed 05/20 5 PM Wed 05/20 6 PM Wed 05/20 7 PM Wed 05/20 8 PM Wed 05/20 9 PM Wed 05/20 10 PM Temperature 83°F 85°F 85°F 84°F 85°F 84°F 82°F 79°F 76°F 75°F 72°F 70°F Heat Index 86°F 88°F 89°F 88°F 90°F 89°F 86°F 79°F 76°F 75°F 72°F 70°F Wind Speed 9 mph 9 mph 10 mph 10 mph 10 mph 10 mph 10 mph 9 mph 8 mph 8 mph 8 mph 6 mph Wind Direction W W W W W NW NW NW NW N N N Wind Gust 11 mph 13 mph 14 mph 17 mph 18 mph 18 mph 18 mph 16 mph 14 mph 16 mph 14 mph 13 mph Chance of Precipitation 21% 38% 54% 71% 74% 76% 79% 69% 60% 51% 46% 40% Weather Rain Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Rain Rain Sky Cover 39% 59% 69% 81% 83% 84% 86% 81% 83% 86% 86% 87% Relative Humidity 59% 57% 58% 61% 62% 65% 68% 74% 79% 78% 79% 78% Rainfall 0.0 in 0.0 in 0.0 in 0.03 in 0.03 in 0.03 in 0.03 in 0.03 in 0.03 in 0.01 in 0.01 in 0.01 in Issued: Wednesday May 20, 2026 10:47 AM EDT

Threat Level	None	Limited	Elevated	Significant	Extreme
Temperature	≤80 °F	80 to 89 °F	90 to 94 °F	95 to 99 °F	≥100 °F
Heat Index	≤80 °F	80 to 89 °F	90 to 94 °F	95 to 99 °F	≥100 °F
Wind Speed	≤10 mph	10 to 14 mph	15 to 24 mph	25 to 34 mph	≥35 mph
Wind Gust	≤15 mph	15 to 24 mph	25 to 34 mph	35 to 44 mph	≥45 mph
Chance of Precipitation	≤15 %	15 to 24 %	25 to 54 %	55 to 74 %	≥75 %
Relative Humidity	≥15 %	15 to 21 %	20 to 31 %	30 to 41 %	≤40 %
Rainfall	≤0.1 in	0.1 to 0.24 in	0.25 to 0.49 in	0.5 to 0.99 in	≥1.0 in

Note -

Grey color indicates no thresholds assigned