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Weather sensor information for Interstate 90 is as follows:
| Nearest Town | Weather Station Name | Milepost | Date / Time | Surface Status | Surface Temp | Precip | Intensity | Wind Avg | Wind Gust | Dir | Dewpoint | Humidity | Air Temp | Visibility |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sheridan | Montana State Line | 0.1 | Sep 20, 2026, 03:10 PM | Light | Slight | 7.5 mph (12.0 km/h) | 10.6 mph (17.0 km/h) | NW | 53.6°F (12.0°C) | 100% | 53.6°F (12.0°C) | > 1/2 mi (> 0.8 km) | ||
| Sheridan | Pompey Creek | 35.3 | Sep 20, 2026, 03:10 PM | Wet | 56.7°F (13.7°C) | Light | None | 16.2 mph (26.0 km/h) | 23.6 mph (38.0 km/h) | W | 53.6°F (12.0°C) | 99% | 53.6°F (12.0°C) | > 1/2 mi (> 0.8 km) |
| Sheridan | Sheridan/Johnson County Line | 41.33 | Sep 20, 2026, 03:10 PM | Rain | Moderate | 16.8 mph (27.0 km/h) | 23.0 mph (37.0 km/h) | NW | 53.6°F (12.0°C) | 100% | 53.6°F (12.0°C) | |||
| Buffalo | Piney Creek Interchange | 44.7 | Sep 20, 2026, 03:10 PM | Trace Moisture | 58.1°F (14.5°C) | Light | None | 14.3 mph (23.0 km/h) | 20.5 mph (33.0 km/h) | NW | 53.6°F (12.0°C) | 99% | 53.6°F (12.0°C) | > 1/2 mi (> 0.8 km) |
| Buffalo | Kearny Divide | 45.33 | Sep 20, 2026, 03:10 PM | 14.3 mph (23.0 km/h) | 24.2 mph (39.0 km/h) | SW | 50.0°F (10.0°C) | 42% | 53.6°F (12.0°C) | > 1/2 mi (> 0.8 km) | ||||
| Buffalo | Indian Creek Road | 83.3 | Sep 20, 2026, 03:10 PM | Wet | 59.0°F (15.0°C) | None | None | 9.9 mph (16.0 km/h) | 14.3 mph (23.0 km/h) | N | 51.8°F (11.0°C) | 93% | 53.6°F (12.0°C) | > 1/2 mi (> 0.8 km) |
| Buffalo | Dead Horse | 91.5 | Sep 20, 2026, 03:10 PM | Wet | 67.3°F (19.6°C) | None | None | 0.0 mph (0.0 km/h) | 0.0 mph (0.0 km/h) | NW | N/A | N/A | > 1/2 mi (> 0.8 km) | |
| Gillette | Mile Marker 108 | 108 | Sep 20, 2026, 03:10 PM | Dry | 65.5°F (18.6°C) | None | 8.7 mph (14.0 km/h) | 12.4 mph (20.0 km/h) | W | 51.8°F (11.0°C) | 91% | 53.6°F (12.0°C) | > 1/2 mi (> 0.8 km) | |
| Sundance | Inyan Kara | 170.5 | Sep 20, 2026, 03:10 PM | None | 8.1 mph (13.0 km/h) | 9.9 mph (16.0 km/h) | N | 55.4°F (13.0°C) | 74% | 64.4°F (18.0°C) | ||||
| Sundance | Beulah | 205.9 | Sep 20, 2026, 03:10 PM | Rain | Moderate | 5.0 mph (8.0 km/h) | 7.5 mph (12.0 km/h) | NW | 41.0°F (5.0°C) | 51% | 59.0°F (15.0°C) | > 1/2 mi (> 0.8 km) |