National Weather Service State College, PA Weather Impact Matrix for Centre County Decision Support Valid: 05/20/2026 08 AM - 05/20/2026 08 PM EDT

Wed 05/20 8 AM Wed 05/20 9 AM Wed 05/20 10 AM 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 Temperature 72°F 74°F 80°F 81°F 83°F 81°F 80°F 79°F 77°F 74°F 73°F 73°F 70°F Heat Index 72°F 74°F 82°F 83°F 85°F 83°F 82°F 79°F 77°F 74°F 73°F 73°F 70°F Wind Speed 5 mph 6 mph 6 mph 6 mph 8 mph 9 mph 9 mph 9 mph 9 mph 8 mph 8 mph 6 mph 5 mph Wind Direction W W W W W W NW NW NW NW NW N NW Wind Gust 13 mph 16 mph 14 mph 14 mph 16 mph 17 mph 17 mph 17 mph 17 mph 16 mph 16 mph 14 mph 13 mph Chance of Precipitation 6% 8% 19% 40% 54% 54% 50% 57% 38% 20% 0% 14% 2% Weather None None Rain Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain None None None Sky Cover 51% 59% 59% 60% 69% 71% 69% 71% 70% 50% 69% 68% 78% Relative Humidity 75% 71% 59% 57% 56% 60% 62% 63% 62% 64% 59% 54% 56% Rainfall 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.01 in 0.01 in 0.01 in 0.01 in 0.01 in 0.01 in 0.0 in Issued: Tuesday May 19, 2026 08:08 PM 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