National Weather Service State College, PA Weather Impact Matrix for Centre County Decision Support Valid: 06/18/2026 08 AM - 06/18/2026 08 PM EDT

Thu 06/18 8 AM Thu 06/18 9 AM Thu 06/18 10 AM Thu 06/18 11 AM Thu 06/18 12 PM Thu 06/18 1 PM Thu 06/18 2 PM Thu 06/18 3 PM Thu 06/18 4 PM Thu 06/18 5 PM Thu 06/18 6 PM Thu 06/18 7 PM Thu 06/18 8 PM Temperature 69°F 70°F 73°F 75°F 77°F 79°F 82°F 82°F 82°F 82°F 79°F 77°F 75°F Heat Index 69°F 70°F 73°F 75°F 77°F 79°F 83°F 82°F 82°F 82°F 79°F 77°F 75°F Wind Speed 13 mph 13 mph 14 mph 16 mph 18 mph 19 mph 20 mph 20 mph 20 mph 19 mph 19 mph 17 mph 12 mph Wind Direction SW SW SW SW W W W W W W W W W Wind Gust 27 mph 29 mph 33 mph 35 mph 36 mph 36 mph 36 mph 36 mph 35 mph 34 mph 33 mph 31 mph 28 mph Chance of Precipitation 57% 43% 30% 16% 11% 6% 1% 2% 3% 2% 1% 1% 1% Weather Rain Thunder Rain Thunder Rain Thunder Rain None None None None None None None None None Sky Cover 80% 71% 67% 59% 51% 36% 33% 40% 46% 52% 47% 42% 40% Relative Humidity 86% 87% 86% 79% 69% 58% 49% 47% 46% 46% 50% 52% 56% Rainfall 0.01 in 0.01 in 0.01 in 0.01 in 0.01 in 0.01 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in Issued: Thursday June 18, 2026 04:24 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