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Montana Road Conditions
Montana 511 Road Conditions
Radar and live pavement conditions on I-15, I-90 and I-94 — plus closures, road work and city-by-city weather across Montana.
Updated Sep 14, 2026 7:50 PM MDT · Mostly dry, wet in places
Lowest 44°F near Helena, Montana · Highest wind 30 mph near Billings, Montana
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Montana carries 1,193 miles of interstate: I-15, I-90 and I-94. Missoula, Billings, Bozeman and Helena sit on these routes.
- Interstate miles: 1,193 mi
- Interstates: I-15, I-90 and I-94
Weather data from Sep 14, 2026 7:50 PM MDT
44°F
64°F
30 mph
29.77-30.15 inHg
Conditions across Montana
Montana
Dry
- Missoula 47°F · 3 mph wind · Dry
- Billings 63°F · 18 mph wind · Dry
- Bozeman 54°F · 8 mph wind · Dry
No full closures are reported in Montana as of Sep 14, 2026 7:50 PM MDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
Interstates Through Montana, Road by Road
Each stretch has its own live conditions, closures and cameras for the Montana miles only — the weather 500 miles away on the same interstate says nothing about this drive.
- I-15 Montana Road Conditions 396 mi
- I-90 Montana Road Conditions 549 mi
- I-94 Montana Road Conditions 249 mi
| Place | Snow a year | Snow days | Freezing nights | Freeze–thaw days | First freeze | Last freeze | Days over 90°F |
|---|---|---|---|---|---|---|---|
| Billings | 55" | 38.7 | 138 | 101.1 | Oct 4 | May 5 | 28.4 |
| Missoula | 37.9" | 39.4 | 164.4 | 126.1 | Sep 24 | May 18 | 25.4 |
| Great Falls | 63.5" | 45.3 | 165.5 | 125.9 | Sep 23 | May 20 | 17.5 |
| Bozeman | 91" | 54.1 | 182.5 | 149 | Sep 18 | May 31 | 12.2 |
NOAA 1991–2020 Climate Normals, from 4 weather stations in Montana. A dash is a figure that station does not report, not a zero.
Snowfall across Montana is not one number: Missoula averages 37.9" a year and Bozeman averages 91".
Driving in Montana Month by Month
What the road normally throws at you, month by month, from NOAA's 1991–2020 normals for Montana's own stations. Each month names its dominant hazard and the place that measured it — this is what the month is usually like, not a forecast and not a restriction.
- January Snow 12.9 in of snow at Bozeman, 12.4 days that never thaw at Missoula
- February Snow 11.5 in of snow at Bozeman, 7.6 days that never thaw at Great Falls
- March Snow 14.9 in of snow at Bozeman, 4.6 days that never thaw at Great Falls
- April Snow 13.9 in of snow at Bozeman, 0.9 days that never thaw at Great Falls
- May Snow 4.4 in of snow at Bozeman
- June Quiet 7.9 wet days at Bozeman is the most the normals report
- July Heat 12.3 days above 90°F at Billings
- August Heat 10.5 days above 90°F at Billings
- September Snow 1.2 in of snow at Great Falls, 0.1 days that never thaw at Billings
- October Snow 5.8 in of snow at Bozeman, 1.2 days that never thaw at Great Falls
- November Snow 11.3 in of snow at Bozeman, 5.2 days that never thaw at Great Falls
- December Snow 14.6 in of snow at Bozeman, 15.1 days that never thaw at Missoula
Summaries fetched Sep 14, 2026 6:04 AM MDT
Missoula, MT weather
- The current weather in Missoula, MT shows a temperature of 47°F with a humidity level of 89%
- The wind is blowing from the southwest at 2 mph, and the sky is mostly cloudy with a cloud coverage of 100%
- The atmospheric pressure is measured at 29.83 inHg
- Visibility is good at 9.9 miles
- There are no active weather alerts at this time.
Billings, MT weather
- The current weather in Billings, MT, features a temperature of 48°F with a dew point of 43°F and a relative humidity of 83%
- The atmospheric pressure is measured at 29.83 inHg
- Winds are blowing from the west-southwest at a speed of 12.9 mph
- The sky is partly cloudy, with visibility reaching 10 miles
- Overall, conditions are stable and pleasant for outdoor activities.
Great Falls, MT weather
- In Great Falls, MT, the current weather is mostly clear with a temperature of 45°F
- The humidity is high at 95%, contributing to a dew point of 44°F
- The wind is coming from the southwest at 7 mph, making it feel slightly cooler with a "feels like" temperature of 43°F
- The atmospheric pressure is measured at 29.83 inHg
- Visibility is good at 10 miles
- There are no active weather alerts at this time.
Montana Road Weather FAQ
- Are any roads closed in Montana right now?
- No full closures are reported on the interstates in Montana. No lane closures or roadworks are reported either.
- What are Montana road conditions today?
- The map on this page colors the interstates across Montana by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Sep 14, 2026 7:50 PM MDT. Right now temperatures run from 44°F to 64°F and the strongest wind is 30 mph.
- Which interstates run through Montana?
- Montana has 3 through interstates on this site: I-15, I-90 and I-94 — about 1,193 miles of interstate across the state. Each has its own page for the Montana stretch.
- Where are Montana road closures reported officially?
- Montana's official traveler information service is mdt511.com, and it is where closures and restrictions are reported.
- How often are Montana road conditions updated?
- The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.
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