National Weather Service State College, PA Weather Impact Matrix for McKean County Decision Support Valid: 05/19/2026 08 AM - 05/19/2026 08 PM EDT

Tue 05/19 8 AM Tue 05/19 9 AM Tue 05/19 10 AM Tue 05/19 11 AM Tue 05/19 12 PM Tue 05/19 1 PM Tue 05/19 2 PM Tue 05/19 3 PM Tue 05/19 4 PM Tue 05/19 5 PM Tue 05/19 6 PM Tue 05/19 7 PM Tue 05/19 8 PM Temperature 71°F 74°F 77°F 79°F 81°F 83°F 85°F 85°F 86°F 85°F 82°F 81°F 79°F Heat Index 71°F 74°F 77°F 79°F 82°F 83°F 85°F 85°F 86°F 85°F 83°F 82°F 79°F Wind Speed 6 mph 8 mph 9 mph 10 mph 11 mph 11 mph 11 mph 11 mph 11 mph 11 mph 10 mph 9 mph 8 mph Wind Direction SW SW SW W W W SW SW SW SW SW SW SW Wind Gust 12 mph 17 mph 20 mph 23 mph 25 mph 25 mph 26 mph 26 mph 26 mph 25 mph 23 mph 20 mph 18 mph Chance of Precipitation 24% 26% 28% 29% 31% 33% 34% 35% 36% 36% 36% 36% 36% Weather Rain Rain Rain Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Sky Cover 72% 70% 68% 66% 64% 62% 60% 59% 58% 57% 58% 59% 61% Relative Humidity 71% 64% 57% 52% 48% 46% 42% 42% 43% 46% 50% 53% 59% Rainfall 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in Issued: Tuesday May 19, 2026 08:05 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