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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 | Jan 28, 2026, 09:34 AM | None | None | 1.9 mph (3.0 km/h) | 5.0 mph (8.0 km/h) | S | 17.6°F (-8.0°C) | 54% | 32.0°F (0.0°C) | > 1/2 mi (> 0.8 km) | ||
| Sheridan | Pompey Creek | 35.3 | Jan 28, 2026, 09:34 AM | None | None | 5.6 mph (9.0 km/h) | 8.7 mph (14.0 km/h) | S | 14.0°F (-10.0°C) | 34% | 39.2°F (4.0°C) | > 1/2 mi (> 0.8 km) | ||
| Sheridan | Sheridan/Johnson County Line | 41.33 | Jan 29, 2023, 07:04 PM | |||||||||||
| Buffalo | Piney Creek Interchange | 44.7 | Jan 28, 2026, 09:34 AM | Ice Watch | 25.7°F (-3.5°C) | None | None | 0.6 mph (1.0 km/h) | 1.9 mph (3.0 km/h) | NE | 19.4°F (-7.0°C) | 64% | 28.4°F (-2.0°C) | > 1/2 mi (> 0.8 km) |
| Buffalo | Kearny Divide | 45.33 | Jan 28, 2026, 09:34 AM | N/A | N/A | N/A | N/A | |||||||
| Buffalo | Indian Creek Road | 83.3 | Jan 28, 2026, 09:34 AM | Dry | 31.1°F (-0.5°C) | None | None | 11.8 mph (19.0 km/h) | 14.3 mph (23.0 km/h) | SW | 12.2°F (-11.0°C) | 49% | 30.2°F (-1.0°C) | > 1/2 mi (> 0.8 km) |
| Buffalo | Dead Horse | 91.5 | Jan 28, 2026, 09:34 AM | Ice Watch | 25.0°F (-3.9°C) | None | None | 0.0 mph (0.0 km/h) | 0.0 mph (0.0 km/h) | E | N/A | N/A | > 1/2 mi (> 0.8 km) | |
| Gillette | Mile Marker 108 | 108 | Jan 28, 2026, 09:34 AM | Dry | 32.2°F (0.1°C) | None | 0.0 mph (0.0 km/h) | 0.0 mph (0.0 km/h) | SE | 14.0°F (-10.0°C) | 45% | 33.8°F (1.0°C) | > 1/2 mi (> 0.8 km) | |
| Sundance | Inyan Kara | 170.5 | Jan 28, 2026, 09:34 AM | Dry | 26.8°F (-2.9°C) | None | 5.6 mph (9.0 km/h) | 9.9 mph (16.0 km/h) | SE | 24.8°F (-4.0°C) | 88% | 28.4°F (-2.0°C) | ||
| Sundance | Beulah | 205.9 | Jan 28, 2026, 09:34 AM | None | N/A | N/A | N/A | N/A |