Jack Downs Reservoir, MT 14 Day Weather

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Jack Downs Reservoir, MT Weather - 14-Day Weather Forecast

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Jack Downs Reservoir MT Weather - Mostly Cloudy - 73°F
Mostly Cloudy
73°F
Updated 12:14 pm
Feels Like 74°F
Humidity 69%
Wind SSE 12 mph
Barometer  30 in
Dew Point 62°F
Jack Downs Reservoir MT Weather - Mostly Cloudy - 23°C
Mostly Cloudy
23°C
Updated 12:14 pm
Feels Like 23°C
Humidity 69%
Wind SSE 19 km/h
Barometer  101.6 kPa
Dew Point 17°C
Jack Downs Reservoir, MT Weather and Current Conditionsjack downs reservoir mt weather forecast

Jack Downs Reservoir, MT Weather Forecast

Jack Downs Reservoir Montana WeatherJack Downs Reservoir, Montana Weather Weather Forecast
14 Day API Jack Downs Reservoir Weather Forecast. Note: Our 7 day Jack Downs Reservoir weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Jack Downs Reservoir, MT Weather Forecast Dated: 1214 PM Fri Sep 18 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, September 18, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-18 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-18 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Jack Downs Reservoir Weather - 2026-09-18 - Evening - Sunny
76°F 24°C
Sunny
Warm and summery near 81°F 27°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds turning from the SSE to the NNE at 10 mph 17 km/h. Gusts up to 21 mph 34 km/h.

Saturday, September 19, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-19 - Morning - Light Showers
60°F 16°C
Light Showers
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-19 - Afternoon - Light Showers
59°F 15°C
Light Showers
Early-Evening
Jack Downs Reservoir Weather - 2026-09-19 - Evening - Light Showers
59°F 15°C
Light Showers
Mildly cool near 59°F 15°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds blowing from the E at 13 mph 21 km/h. Gusts up to 20 mph 32 km/h.

Sunday, September 20, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-20 - Morning - Light Showers
56°F 13°C
Light Showers
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-20 - Afternoon - Scattered Showers
57°F 14°C
Scattered Showers
Early-Evening
Jack Downs Reservoir Weather - 2026-09-20 - Evening - Scattered Showers
56°F 13°C
Scattered Showers
Chilly near 57°F 14°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the E to the ESE at 14 mph 23 km/h. Gusts up to 21 mph 33 km/h.

Monday, September 21, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-21 - Morning - Cloudy
56°F 14°C
Cloudy
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-21 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Jack Downs Reservoir Weather - 2026-09-21 - Evening - Sunny
61°F 17°C
Sunny
Mild temperatures up to 68°F 20°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds out of the SE at 16 mph 26 km/h. Gusts up to 23 mph 36 km/h.

Tuesday, September 22, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-22 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-22 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Jack Downs Reservoir Weather - 2026-09-22 - Evening - Partly Cloudy
73°F 23°C
Partly Cloudy
Very warm with a high of 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds tapering down from S 19 mph 30 km/h to ENE 6 mph 9 km/h.

Wednesday, September 23, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-23 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-23 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Jack Downs Reservoir Weather - 2026-09-23 - Evening - Overcast
65°F 18°C
Overcast
Pleasant near 73°F 23°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure rising. Winds turning from the NW to the NNE at 10 mph 16 km/h.

Thursday, September 24, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-24 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-24 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
Jack Downs Reservoir Weather - 2026-09-24 - Evening - Sunny
74°F 23°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the SE to the SSE at 18 mph 28 km/h. Gusts up to 31 mph 50 km/h.

Friday, September 25, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-25 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-25 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Jack Downs Reservoir Weather - 2026-09-25 - Evening - Sunny
73°F 23°C
Sunny
Quite warm around 81°F 27°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the SSE to the SE at 19 mph 31 km/h. Gusts up to 28 mph 45 km/h.

Saturday, September 26, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-26 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-26 - Afternoon - Sunny
87°F 31°C
Sunny
Early-Evening
Jack Downs Reservoir Weather - 2026-09-26 - Evening - Overcast
77°F 25°C
Overcast
Warm temperatures up to 87°F 31°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling. Winds swinging from the SSE to the WNW at 16 mph 25 km/h. Gusts up to 22 mph 36 km/h.

Sunday, September 27, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-27 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-27 - Afternoon - Partly Cloudy
67°F 20°C
Partly Cloudy
Early-Evening
Jack Downs Reservoir Weather - 2026-09-27 - Evening - Cloudy
64°F 18°C
Cloudy
Mildly cool near 67°F 20°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds easing from W 20 mph 32 km/h to SSW 8 mph 13 km/h.

Monday, September 28, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-28 - Morning - Cloudy
53°F 12°C
Cloudy
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-28 - Afternoon - Cloudy
56°F 13°C
Cloudy
Early-Evening
Jack Downs Reservoir Weather - 2026-09-28 - Evening - Overcast
49°F 10°C
Overcast
Chilly near 56°F 13°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds building from WSW at 9 mph 15 km/h to W at 22 mph 36 km/h. Gusts up to 29 mph 47 km/h.

Tuesday, September 29, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-29 - Morning - Scattered Showers
42°F 6°C
Scattered Showers
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-29 - Afternoon - Scattered Showers
43°F 6°C
Scattered Showers
Early-Evening
Jack Downs Reservoir Weather - 2026-09-29 - Evening - Scattered Showers
42°F 6°C
Scattered Showers
Cold with a high near 43°F 6°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds switching from the WNW to the NW at 18 mph 29 km/h. Gusts up to 23 mph 37 km/h.

Wednesday, September 30, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-09-30 - Morning - Scattered Showers
40°F 4°C
Scattered Showers
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-09-30 - Afternoon - Scattered Showers
43°F 6°C
Scattered Showers
Early-Evening
Jack Downs Reservoir Weather - 2026-09-30 - Evening - Scattered Showers
44°F 7°C
Scattered Showers
Nippy around 43°F 6°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds moving from the NW to the WNW at 6 mph 9 km/h.

Thursday, October 1, 2026

Mid-Morning
Jack Downs Reservoir Weather - 2026-10-01 - Morning - Sunny
44°F 7°C
Sunny
Mid-Afternoon
Jack Downs Reservoir Weather - 2026-10-01 - Afternoon - Sunny
58°F 14°C
Sunny
Early-Evening
Jack Downs Reservoir Weather - 2026-10-01 - Evening - Sunny
54°F 12°C
Sunny
Mildly cool near 58°F 14°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling.

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Weather by the Numbers

Fri, 18th
Jack Downs Reservoir MT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 82°F 28°C
Lo: 58°F 14°C
Sunrise 06:42 AM
Sunset 07:06 PM
Wind SSW 5 mph8 km/h
Dew Point 55°F13°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 50%
Sat, 19th
Jack Downs Reservoir MT Weather - Saturday, Sep 19, 2026 - Patchy Rain Nearby
Hi: 64°F 18°C
Lo: 57°F 14°C
Sunrise 06:44 AM
Sunset 07:04 PM
Wind E 13 mph22 km/h
Dew Point 56°F13°C
uv Index 2
Barometric Pressure 30 in1016 mb
POP 30% *
Humidity 75%
Sun, 20th
Jack Downs Reservoir MT Weather - Sunday, Sep 20, 2026 - Light Rain Shower
Hi: 57°F 14°C
Lo: 55°F 13°C
Sunrise 06:45 AM
Sunset 07:02 PM
Wind ESE 16 mph25 km/h
Dew Point 54°F12°C
uv Index 1
Barometric Pressure 30.06 in1018 mb
POP 60% *
Humidity 94%
Mon, 21st
Jack Downs Reservoir MT Weather - Monday, Sep 21, 2026 - Sunny
Hi: 68°F 20°C
Lo: 54°F 12°C
Sunrise 06:46 AM
Sunset 07:00 PM
Wind SSE 17 mph27 km/h
Dew Point 50°F10°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 4% *
Humidity 59%
Tue, 22nd
Jack Downs Reservoir MT Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 81°F 27°C
Lo: 50°F 10°C
Sunrise 06:48 AM
Sunset 06:58 PM
Wind SSW 16 mph26 km/h
Dew Point 49°F10°C
uv Index 6
Barometric Pressure 29.83 in1010 mb
POP 1% *
Humidity 44%
Wed, 23rd
Jack Downs Reservoir MT Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 73°F 23°C
Lo: 58°F 14°C
Sunrise 06:49 AM
Sunset 06:56 PM
Wind NNW 20 mph33 km/h
Dew Point 36°F2°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 0% *
Humidity 27%
Thu, 24th
Jack Downs Reservoir MT Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 79°F 26°C
Lo: 51°F 11°C
Sunrise 06:50 AM
Sunset 06:54 PM
Wind SE 20 mph32 km/h
Dew Point 44°F7°C
uv Index 6
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 40%
Fri, 25th
Jack Downs Reservoir MT Weather - Friday, Sep 25, 2026 - Sunny
Hi: 81°F 27°C
Lo: 60°F 16°C
Sunrise 06:52 AM
Sunset 06:52 PM
Wind SSE 21 mph33 km/h
Dew Point 51°F11°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 40%
Sat, 26th
Jack Downs Reservoir MT Weather - Saturday, Sep 26, 2026 - Overcast
Hi: 87°F 31°C
Lo: 59°F 15°C
Sunrise 06:53 AM
Sunset 06:50 PM
Wind SSE 16 mph26 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 29.44 in997 mb
POP 9% *
Humidity 30%
Sun, 27th
Jack Downs Reservoir MT Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 67°F 20°C
Lo: 52°F 11°C
Sunrise 06:54 AM
Sunset 06:48 PM
Wind W 17 mph27 km/h
Dew Point 30°F-1°C
uv Index 5
Barometric Pressure 29.59 in1002 mb
POP 1% *
Humidity 29%
Mon, 28th
Jack Downs Reservoir MT Weather - Monday, Sep 28, 2026 - Cloudy
Hi: 61°F 16°C
Lo: 46°F 8°C
Sunrise 06:56 AM
Sunset 06:46 PM
Wind WSW 13 mph22 km/h
Dew Point 34°F1°C
uv Index 4
Barometric Pressure 29.59 in1002 mb
POP 5% *
Humidity 37%
Tue, 29th
Jack Downs Reservoir MT Weather - Tuesday, Sep 29, 2026 - Light Rain Shower
Hi: 46°F 8°C
Lo: 40°F 5°C
Sunrise 06:57 AM
Sunset 06:44 PM
Wind WNW 23 mph37 km/h
Dew Point 38°F3°C
uv Index 2
Barometric Pressure 30.06 in1018 mb
POP 41% *
Humidity 85%
Wed, 30th
Jack Downs Reservoir MT Weather - Wednesday, Sep 30, 2026 - Patchy Rain Nearby
Hi: 44°F 7°C
Lo: 39°F 4°C
Sunrise 06:59 AM
Sunset 06:42 PM
Wind NW 9 mph14 km/h
Dew Point 38°F3°C
uv Index 2
Barometric Pressure 30.36 in1028 mb
POP 31% *
Humidity 86%
Thu, 1st
Jack Downs Reservoir MT Weather - Thursday, Oct 1, 2026 - Sunny
Hi: 58°F 14°C
Lo: 38°F 3°C
Sunrise 07:00 AM
Sunset 06:40 PM
Wind SW 5 mph9 km/h
Dew Point 31°F-0°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 45%
* POP = Probability of Precipitation. Data for 12:00 PM.