Mortenson Lake, WY 7-Day Weather Forecast
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Mortenson Lake Weather Forecast


Mortenson Lake, WY Weather Forecast Date: 903 PM MDT Sun Aug 16 2026
Weather forecast for Mortenson Lake, WY
| Tonight Lo: 51°F Lo: 11°C |
Tonight... Partly cloudy late this evening, then clearing. Lows in the lower 50s. Southeast winds 5 to 10 mph, becoming south. |
| Mon Hi: 80°FHi: 27°C Lo: 51°F Lo: 11°C |
Monday... Sunny. Highs around 80. Southwest winds 5 to 10 mph, becoming northwest 10 to 15 mph in the afternoon. |
| Tue Hi: 79°FHi: 26°C Lo: 50°F Lo: 10°C |
Tuesday... Mostly sunny. Highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming west 15 to 20 mph with gusts up to 35 mph in the afternoon. |
| Wed Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50%. |
| Thu Hi: 81°FHi: 27°C Lo: 51°F Lo: 11°C |
Thursday... Mostly clear. Highs in the lower 80s. Lows in the lower 50s. |
| Fri Hi: 85°FHi: 29°C Lo: 51°F Lo: 11°C |
Friday... Partly cloudy. Highs in the mid 80s. Lows in the lower 50s. |
| Sat Hi: 85°FHi: 29°C Lo: 51°F Lo: 11°C |
Saturday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50%. |
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