National Weather Service State College, PA Weather Impact Matrix for Columbia County Decision Support Valid: 08/19/2025 02 PM - 08/20/2025 12 AM EDT

Tue 08/19 2 PM Tue 08/19 3 PM Tue 08/19 4 PM Tue 08/19 5 PM Tue 08/19 6 PM Tue 08/19 7 PM Tue 08/19 8 PM Tue 08/19 9 PM Tue 08/19 10 PM Tue 08/19 11 PM Wed 08/20 12 AM Temperature 77°F 77°F 77°F 76°F 74°F 73°F 72°F 68°F 67°F 66°F 65°F Heat Index 77°F 77°F 77°F 76°F 74°F 73°F 72°F 68°F 67°F 66°F 65°F Wind Speed 5 mph 6 mph 6 mph 5 mph 5 mph 4 mph 3 mph 3 mph 3 mph 3 mph 3 mph Wind Direction SE S S S SE SE SE SE SE SE SE Wind Gust 14 mph 14 mph 14 mph 13 mph 13 mph 10 mph 8 mph 13 mph 12 mph 13 mph 13 mph Chance of Precipitation 0% 0% 0% 1% 6% 4% 4% 9% 8% 14% 6% Weather None None None None None None None None None None None Sky Cover 57% 59% 61% 63% 68% 73% 78% 86% 81% 54% 70% Relative Humidity 55% 54% 54% 57% 61% 64% 66% 70% 73% 78% 81% 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 Issued: Tuesday August 19, 2025 02:02 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