weathermetro
Cities / United States
/ Montana
☀️ Jefferson Island weather
Clear sky. .
Feels like 19° Wind 25 km/h NW Humidity 17% Pressure 1017 hPa UV 0 Air Good ☀ 06:59 - 19:50
⚠ Red Flag Warning · Severe Red Flag Warning issued September 9 at 9:59AM MDT until September 10 at 9:00PM MDT by NWS Missoula MT
Right now it is 25° in Jefferson Island with clear skies, it feels more like 19° and today's high is 25° with an overnight low of 4° . The sun rises at 06:59 and sets at 19:50, giving 12h 51m of daylight. Over the coming week highs range from 17° to 29° .
Jefferson Island is in Montana, United States, sitting 1,302 m above sea level. Local time is America/Denver (UTC−6), and every time on this page is shown in it.
Next 24 hours - temperature
11°
20°
29°
29°
12°
16:00 · 24.3° · 0 mm
17:00 · 24.6° · 0 mm
18:00 · 24.3° · 0 mm
19:00 · 22.7° · 0 mm
20:00 · 19.2° · 0 mm
21:00 · 16.8° · 0 mm
22:00 · 15.3° · 0 mm
23:00 · 14.4° · 0 mm
00:00 · 14.4° · 0 mm
01:00 · 14.7° · 0 mm
02:00 · 15° · 0 mm
03:00 · 12.6° · 0 mm
04:00 · 12.6° · 0 mm
05:00 · 12.2° · 0 mm
06:00 · 11.6° · 0 mm
07:00 · 11.6° · 0 mm
08:00 · 12° · 0 mm
09:00 · 15.5° · 0 mm
10:00 · 18.2° · 0 mm
11:00 · 24.1° · 0 mm
12:00 · 25.4° · 0 mm
13:00 · 26.7° · 0 mm
14:00 · 28.2° · 0 mm
15:00 · 29° · 0 mm
Precipitation
16:00 · 0 mm
16:00
17:00 · 0 mm
18:00 · 0 mm
19:00 · 0 mm
19:00
20:00 · 0 mm
21:00 · 0 mm
22:00 · 0 mm
22:00
23:00 · 0 mm
00:00 · 0 mm
01:00 · 0 mm
01:00
02:00 · 0 mm
03:00 · 0 mm
04:00 · 0 mm
04:00
05:00 · 0 mm
06:00 · 0 mm
07:00 · 0 mm
07:00
08:00 · 0 mm
09:00 · 0 mm
10:00 · 0 mm
10:00
11:00 · 0 mm
12:00 · 0 mm
13:00 · 0 mm
13:00
14:00 · 0 mm
15:00 · 0 mm
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
16:00
☀️
24.3°
16.9°
-
Clear sky
17:00
☀️
24.6°
17.5°
-
Clear sky
18:00
☀️
24.3°
17°
-
Clear sky
19:00
☀️
22.7°
16.4°
-
Clear sky
20:00
☀️
19.2°
15.3°
-
Clear sky
21:00
☀️
16.8°
11.9°
-
Clear sky
22:00
☀️
15.3°
11.7°
-
Clear sky
23:00
☀️
14.4°
10.8°
-
Clear sky
00:00
☀️
14.4°
10.3°
-
Clear sky
01:00
☀️
14.7°
10.6°
-
Clear sky
02:00
☀️
15°
10.9°
-
Clear sky
03:00
☀️
12.6°
9.4°
-
Clear sky
☀️
TodaySeptember 9th
Avg 14° Low 4° at 07:00
High 25° at 17:00
Feels 17° Wind ~27 km/h
Clear
00:00
10°
02:00
8°
04:00
6°
06:00
4°
08:00
4°
10:00
12°
12:00
20°
14:00
22°
16:00
24°
18:00
24°
20:00
19°
22:00
15°
☀️
ThursdaySeptember 10th
Avg 20° Low 12° at 06:00
High 29° at 15:00
Feels 21° Wind ~31 km/h
Clear
00:00
14°
02:00
15°
04:00
13°
06:00
12°
08:00
12°
10:00
18°
12:00
25°
14:00
28°
16:00
29°
18:00
28°
20:00
22°
22:00
18°
🌧️
FridaySeptember 11th
Avg 14° Low 9° at 23:00
High 18° at 13:00
3.2 mm rain Feels 15° Wind ~18 km/h
Cloudy
Cloudy
Cloudy
00:00
15°
02:00
14°
04:00
12°
06:00
11°
08:00
12°
10:00
15°
12:00
17°
14:00
16°
0.9mm
16:00
17°
18:00
15°
0.2mm
20:00
13°
22:00
10°
☁️
SaturdaySeptember 12th
Avg 11° Low 8° at 06:00
High 17° at 16:00
Feels 12° Wind ~22 km/h
Cloudy
00:00
9°
02:00
9°
04:00
8°
06:00
8°
08:00
8°
10:00
9°
12:00
12°
14:00
15°
16:00
17°
18:00
16°
20:00
12°
22:00
10°
☁️
SundaySeptember 13th
Avg 10° Low 5° at 07:00
High 18° at 14:00
0.4 mm rain Feels 10° Wind ~34 km/h
Clear
Cloudy
Clear
Cloudy
Rain
00:00
8°
02:00
7°
04:00
6°
06:00
5°
08:00
7°
10:00
10°
12:00
13°
14:00
18°
16:00
17°
18:00
14°
20:00
10°
22:00
8°
0.1mm
☀️
MondaySeptember 14th
Avg 10° Low 4° at 06:00
High 18° at 17:00
Feels 14° Wind ~15 km/h
Partly Cloudy
Clear
Cloudy
00:00
7°
02:00
6°
04:00
5°
06:00
4°
08:00
6°
10:00
10°
12:00
15°
14:00
17°
16:00
18°
18:00
18°
20:00
13°
22:00
8°
⛅
TuesdaySeptember 15th
Avg 12° Low 4° at 06:00
High 21° at 17:00
Feels 17° Wind ~7 km/h
Clear
Partly Cloudy
00:00
7°
02:00
6°
04:00
5°
06:00
4°
08:00
7°
10:00
10°
12:00
14°
14:00
18°
16:00
21°
18:00
21°
20:00
15°
22:00
11°
☀️
WednesdaySeptember 16th
Avg 13° Low 8° at 06:00
High 20° at 17:00
Feels 16° Wind ~10 km/h
Cloudy
Clear
Clear
00:00
10°
02:00
10°
04:00
9°
06:00
8°
08:00
10°
10:00
13°
12:00
16°
14:00
19°
16:00
20°
18:00
20°
20:00
14°
22:00
10°
☀️
ThursdaySeptember 17th
Avg 15° Low 7° at 05:00
High 26° at 17:00
Feels 21° Wind ~9 km/h
Clear
00:00
9°
02:00
8°
04:00
7°
06:00
7°
08:00
10°
10:00
14°
12:00
20°
14:00
23°
16:00
25°
18:00
25°
20:00
18°
22:00
13°
☀️
FridaySeptember 18th
Avg 18° Low 9° at 05:00
High 29° at 17:00
Feels 25° Wind ~7 km/h
Clear
00:00
12°
02:00
11°
04:00
10°
06:00
9°
08:00
12°
10:00
17°
12:00
23°
14:00
27°
16:00
29°
18:00
28°
20:00
20°
22:00
15°
☀️
SaturdaySeptember 19th
Avg 20° Low 11° at 05:00
High 31° at 17:00
Feels 25° Wind ~17 km/h
Clear
Cloudy
Clear
Partly Cloudy
00:00
14°
02:00
13°
04:00
12°
06:00
12°
08:00
15°
10:00
20°
12:00
27°
14:00
30°
16:00
31°
18:00
30°
20:00
22°
22:00
16°
☀️
SundaySeptember 20th
Avg 17° Low 11° at 06:00
High 25° at 17:00
Feels 21° Wind ~11 km/h
Clear
00:00
15°
02:00
14°
04:00
12°
06:00
11°
08:00
13°
10:00
17°
12:00
21°
14:00
23°
16:00
24°
18:00
24°
20:00
18°
22:00
13°
☀️
MondaySeptember 21st
Avg 18° Low 10° at 05:00
High 29° at 17:00
Feels 25° Wind ~8 km/h
Clear
00:00
12°
02:00
11°
04:00
10°
06:00
10°
08:00
13°
10:00
18°
12:00
24°
14:00
27°
16:00
29°
18:00
28°
20:00
21°
22:00
16°
☀️
TuesdaySeptember 22nd
Avg 19° Low 11° at 05:00
High 30° at 17:00
Feels 22° Wind ~30 km/h
Clear
Partly Cloudy
00:00
15°
02:00
13°
04:00
12°
06:00
11°
08:00
14°
10:00
18°
12:00
23°
14:00
28°
16:00
30°
18:00
29°
20:00
22°
22:00
17°
☀️
WednesdaySeptember 23rd
Avg 15° Low 8° at 06:00
High 22° at 15:00
Feels 17° Wind ~23 km/h
Partly Cloudy
Clear
Cloudy
00:00
16°
02:00
15°
04:00
12°
06:00
8°
08:00
10°
10:00
13°
12:00
18°
14:00
21°
16:00
21°
18:00
18°
20:00
14°
22:00
10°
🌦️
ThursdaySeptember 24th
Avg 7° Low 5° at 07:00
High 12° at 16:00
1.1 mm rain Feels 6° Wind ~29 km/h
Cloudy
Rain
Cloudy
Rain
00:00
7°
02:00
7°
04:00
6°
06:00
5°
08:00
5°
10:00
5°
0.2mm
12:00
6°
0.2mm
14:00
10°
16:00
12°
18:00
10°
20:00
6°
0.1mm
22:00
5°
0.1mm
Sun
☀️ Sunrise 06:59 · Sunset 19:50
12h 51m of daylight · America/Denver
Air quality
PM2.5 1.6 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Tools for Jefferson Island
Common questions about Jefferson Island weather
Will it rain in Jefferson Island today?
No rain is in the forecast for Jefferson Island today.
What is the temperature in Jefferson Island right now?
It is 25° in Jefferson Island right now, though it feels closer to 19° . Today runs between a low of 4° and a high of 25° .
What time is sunrise and sunset in Jefferson Island?
The sun rises at 06:59 and sets at 19:50 local time in Jefferson Island today, giving 12h 51m of daylight.
What is the air quality in Jefferson Island?
PM2.5 in Jefferson Island is currently 1.6 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.
How accurate is the Jefferson Island forecast, and how far ahead does it go?
This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Jefferson Island best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.
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© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC