Weather archive in Casper, Natrona County (airport)
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| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2026 May 21, Thursday | 18 | 2.8 37 | 625.9 24.64 834.46 834.46 | 761.8 29.99 1015.65 1015.65 | 0.9 0.04 1.2 1.2 | 89 | Wind blowing from the north-northeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 100%. 10/10. 8 oktas | Mist. | 0.6 33 | 10.0 50 | 300-600 984-1968 | 16.0 9.9 | 1.1 34 | 5.0 0.2 | 6 | |||||||||||
15 | 6.1 43 | 625.0 24.61 833.27 833.27 | 759.1 29.89 1012.05 1012.05 | -0.9 -0.04 -1.2 -1.2 | 89 | Wind blowing from the north | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 15 m/s 54 km/h 34 mph 29 knots 7 Bft | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 300-600 984-1968 | 16.0 9.9 | 4.4 40 | 0.5 0.02 | 3 | ||||||||||||||
12 | 8.3 47 | 625.9 24.64 834.46 834.46 | 759.7 29.91 1012.85 1012.85 | -0.3 -0.01 -0.4 -0.4 | 74 | Wind blowing from the north-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 1.1 34 | 9.4 49 | 1500-2000 4921-6562 | 16.0 9.9 | 3.9 39 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||
09 | 8.3 47 | 626.2 24.65 834.86 834.86 | 759.7 29.91 1012.85 1012.85 | 0.0 0 0 0 | 71 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | 16.0 9.9 | 3.3 38 | ||||||||||||||||||
06 | 1.7 35 | 626.2 24.65 834.86 834.86 | 759.6 29.91 1012.72 1012.72 | 0.0 0 0 0 | 93 | Wind blowing from the north-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 0.6 33 | 17.2 63 | 16.0 9.9 | 0.6 33 | |||||||||||||||||
03 | 6.7 44 | 626.2 24.65 834.86 834.86 | 759.1 29.89 1012.05 1012.05 | -0.2 -0.01 -0.27 -0.27 | 60 | Wind blowing from the north-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -0.6 31 | ||||||||||||||||||
00 | 8.3 47 | 626.4 24.66 835.13 835.13 | 759.4 29.9 1012.45 1012.45 | -0.4 -0.02 -0.53 -0.53 | 48 | Wind blowing from the west-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 16.7 62 | 16.0 9.9 | -2.2 28 | ||||||||||||||||||
| May 20, Wednesday | 21 | 10.0 50 | 626.8 24.68 835.66 835.66 | 760.3 29.93 1013.65 1013.65 | 0.3 0.01 0.4 0.4 | 43 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -2.2 28 | ||||||||||||||||||
18 | 16.7 62 | 626.5 24.67 835.26 835.26 | 760.6 29.94 1014.05 1014.05 | -1.2 -0.05 -1.6 -1.6 | 21 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | -3.8 25 | 17.2 63 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -5.6 22 | |||||||||||||||