I-80 weather conditions near I-80 WY exit 21, Wyoming
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 73°F 2025-09-08T12:15:00 
This Afternoon 2025-09-08, Sunny. Sunny, with a high near 76. West wind around 14 mph.
Tonight 2025-09-08, Chance Showers. A 30 percent chance of showers and thunderstorms, mainly after 9pm. Partly cloudy, with a low around 52. South southwest wind 6 to 10 mph.
Tuesday 2025-09-09, Chance Showers. A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 74. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.Tuesday Night 2025-09-09, Chance Showers then Mostly Cloudy. A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 48. South southeast wind 5 to 10 mph.
Wednesday 2025-09-10, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Light south wind becoming south southwest 9 to 14 mph in the morning.
Wednesday Night 2025-09-10, Chance Showers. A 40 percent chance of showers. Mostly cloudy, with a low around 47.- Thursday 2025-09-11, Chance Showers. A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Thursday Night 2025-09-11, Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Friday 2025-09-12, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 62.- Friday Night 2025-09-12, Chance Showers. A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 41.
- Saturday 2025-09-13, Chance Showers. A chance of showers and thunderstorms. Partly sunny, with a high near 63.
Saturday Night 2025-09-13, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Sunday 2025-09-14, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.