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Powell Reservoirs, MT Weather Forecast
Powell Reservoirs, MT Weather Forecast Dated: 1045 AM Tue Aug 18 2026 (Powell Reservoirs Time)
Tue, 18th Lo: 12°C54°F Hi: 28°C82°F |
Overcast Tuesday, temperatures as high as 82°F28°C, low temperature around 54°F12°C, chance of rain 6%, wind out of the WSW 19 mph31 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 41%. |
Wed, 19th Lo: 11°C52°F Hi: 28°C83°F |
Sunny Wednesday, temperatures as high as 83°F28°C, low temperature around 52°F11°C, chance of rain 2%, wind out of the SW 12 mph19 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 29%. |
| Thu, 20th Lo: 13°C55°F Hi: 31°C89°F |
Sunny Thursday, temperatures as high as 89°F31°C, low temperature around 55°F13°C, chance of rain 1%, wind out of the SSW 12 mph20 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 22%. |
| Fri, 21st Lo: 15°C59°F Hi: 33°C92°F |
Overcast Friday, temperatures as high as 92°F33°C, low temperature around 59°F15°C, chance of rain 5%, wind out of the SSE 13 mph21 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 26%. |
| Sat, 22nd Lo: 17°C63°F Hi: 32°C90°F |
Overcast Saturday, temperatures as high as 90°F32°C, low temperature around 63°F17°C, chance of rain 6%, wind out of the SW 24 mph38 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 34%. |
| Sun, 23rd Lo: 11°C52°F Hi: 29°C84°F |
Sunny Sunday, temperatures as high as 84°F29°C, low temperature around 52°F11°C, chance of rain 1%, wind out of the WNW 12 mph20 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 33%. |
| Mon, 24th Lo: 13°C55°F Hi: 32°C90°F |
Sunny Monday, temperatures as high as 90°F32°C, low temperature around 55°F13°C, chance of rain 2%, wind out of the S 8 mph13 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 20%. |
| Tue, 25th Lo: 15°C58°F Hi: 33°C91°F |
Overcast Tuesday, temperatures as high as 91°F33°C, low temperature around 58°F15°C, chance of rain 4%, wind out of the E 13 mph21 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 30%. |
| Wed, 26th Lo: 14°C57°F Hi: 31°C89°F |
Sunny Wednesday, temperatures as high as 89°F31°C, low temperature around 57°F14°C, chance of rain 2%, wind out of the ESE 17 mph27 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 32%. |
Thu, 27th Lo: 14°C57°F Hi: 28°C82°F |
Chance of showers Thursday, temperatures as high as 82°F28°C, low temperature around 57°F14°C, chance of rain 41%, wind out of the SSW 23 mph37 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 53%. |
| Fri, 28th Lo: 12°C54°F Hi: 23°C74°F |
Light rain shower Friday, temperatures as high as 74°F23°C, low temperature around 54°F12°C, chance of rain 74%, wind out of the S 12 mph20 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 71%. |
| Sat, 29th Lo: 11°C53°F Hi: 29°C85°F |
Sunny Saturday, temperatures as high as 85°F29°C, low temperature around 53°F11°C, chance of rain 36%, wind out of the S 6 mph10 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 49%. |
| Sun, 30th Lo: 14°C56°F Hi: 31°C88°F |
Sunny Sunday, temperatures as high as 88°F31°C, low temperature around 56°F14°C, chance of rain 36%, wind out of the S 10 mph17 km/h. Barometric pressure 29.77 in1008 mb, visibility 6 mi10 km, humidity 41%. |
| Mon, 31st Lo: 13°C55°F Hi: 28°C83°F |
Sunny Monday, temperatures as high as 83°F28°C, low temperature around 55°F13°C, chance of rain 4%, wind out of the NW 13 mph21 km/h. Barometric pressure 29.71 in1006 mb, visibility 6 mi10 km, humidity 53%. |
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