National Weather Service State College, PA Weather Impact Matrix for Union County Decision Support Valid: 08/31/2026 11 AM - 08/31/2026 10 PM EDT

Mon 08/31 11 AM Mon 08/31 12 PM Mon 08/31 1 PM Mon 08/31 2 PM Mon 08/31 3 PM Mon 08/31 4 PM Mon 08/31 5 PM Mon 08/31 6 PM Mon 08/31 7 PM Mon 08/31 8 PM Mon 08/31 9 PM Mon 08/31 10 PM Temperature 73°F 75°F 76°F 78°F 79°F 79°F 79°F 79°F 78°F 75°F 73°F 72°F Heat Index 73°F 75°F 76°F 78°F 79°F 79°F 79°F 79°F 78°F 75°F 73°F 72°F Wind Speed 1 mph 1 mph 2 mph 3 mph 3 mph 3 mph 3 mph 2 mph 1 mph 1 mph 1 mph 1 mph Wind Direction S S SW S SW SW SW SW SW SW W S Wind Gust 2 mph 3 mph 4 mph 5 mph 5 mph 5 mph 5 mph 5 mph 3 mph 2 mph 2 mph 2 mph Chance of Precipitation 36% 42% 48% 54% 51% 47% 43% 37% 31% 25% 26% 26% Weather Rain Rain Rain Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Thunder Rain Rain Thunder Rain Thunder Rain Sky Cover 84% 82% 81% 80% 80% 80% 80% 80% 80% 80% 79% 79% Relative Humidity 84% 79% 79% 74% 72% 74% 74% 74% 76% 84% 90% 93% Rainfall 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 0.0 in 0.0 in Issued: Monday August 31, 2026 11:00 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