Will it rain in Boulder, MT in the next 24 hours?

The hourly forecast shows a 67% chance of precipitation around 10/26/2026, 10:00 PM MDT.

What time is sunrise and sunset in Boulder, MT today?

Sunrise is about 8:01 AM MDT and sunset is about 6:23 PM MDT (calculated for the center of the area, within a few minutes).

What is the normal October weather in Boulder, MT?

At Boulder, the 1991 to 2020 normal high in October is 57°F and the normal low is 28°F.

Checked Oct 26, 2026

Boulder, MT Weather

Current conditions, hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Boulder, MT current weather

34°F

Light Rain Likely

Forecast for this hour. No recent report from a nearby station.

H -- / L 30°

Rain ending around 4 AM

No recent station report. NWS hourly forecast updated 10/26/2026, 4:11 PM MDT

Hourly forecast

NWS, updated 4:11 PM

Now34°67%
11 PM35°43%
Tue12 AM34°42%
1 AM35°50%
2 AM34°70%
3 AM33°37%
4 AM33°25%
5 AM33°17%
6 AM31°
7 AM32°
8 AM30°
9 AM30°
10 AM33°
11 AM35°
12 PM36°
1 PM38°
2 PM39°
3 PM39°10%
4 PM41°14%
5 PM39°
6 PM37°
7 PM35°
8 PM33°
9 PM32°
10 PM32°
11 PM31°
Wed12 AM31°
1 AM30°
2 AM29°
3 AM28°
4 AM28°
5 AM28°
6 AM27°
7 AM26°
8 AM26°
9 AM26°
10 AM29°
11 AM33°
12 PM37°
1 PM39°
2 PM41°
3 PM41°
4 PM40°
5 PM39°
6 PM36°
7 PM34°
8 PM32°
9 PM31°

7-day forecast

Tap a day for details

Today10/2670% chance of precipitationLow 30°High
Tonight: Rain likely before midnight, then a chance of rain and snow between midnight and 1am, then rain and snow likely. Mostly cloudy. Low around 30, with temperatures rising to around 33 overnight. West southwest wind 3 to 8 mph. Chance of precipitation is 70%.
Light Rain Likely
Tue10/2714% chance of precipitationLow 26°High 43°
Tuesday: Mostly sunny. High near 43, with temperatures falling to around 39 in the afternoon. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Tuesday Night: Partly cloudy, with a low around 26. Southwest wind around 8 mph.
Mostly Sunny
Wed10/28Low 23°High 43°
Wednesday: Sunny, with a high near 43. Southwest wind 6 to 12 mph, with gusts as high as 20 mph.
Wednesday Night: Partly cloudy, with a low around 23. Southwest wind around 5 mph.
Sunny
Thu10/29Low 28°High 44°
Thursday: Partly sunny, with a high near 44. South wind 2 to 6 mph.
Thursday Night: Mostly cloudy, with a low around 28. Northeast wind 0 to 3 mph.
Partly Sunny
Fri10/3034% chance of precipitationLow 29°High 43°
Friday: A slight chance of snow before noon, then a slight chance of rain and snow. Partly sunny, with a high near 43. East southeast wind 0 to 5 mph.
Friday Night: A chance of rain and snow. Mostly cloudy, with a low around 29. Little or no snow accumulation expected.
Slight Chance Light Snow
Sat10/3134% chance of precipitationLow 30°High 44°
Saturday: A slight chance of rain and snow after noon. Partly sunny, with a high near 44.
Saturday Night: A chance of rain and snow. Mostly cloudy, with a low around 30.
Partly Sunny then Slight Chance Rain And Snow
Sun11/124% chance of precipitationLow 27°High 43°
Sunday: A slight chance of snow before 11am, then a slight chance of rain and snow. Mostly sunny, with a high near 43.
Sunday Night: A slight chance of snow. Partly cloudy, with a low around 27. Little or no snow accumulation expected.
Slight Chance Light Snow
Mon11/216% chance of precipitationLow High 44°
Monday: A slight chance of snow. Mostly sunny, with a high near 44. Little or no snow accumulation expected.
Slight Chance Light Snow

Forecast for 46.239, -112.120 from the NWS TFX office, updated 10/26/2026, 4:11 PM MDT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

Now34°Light Rain Likely67%3 mph
11 PM35°Chance Light Rain43%3 mph
12 AM34°Chance Rain And Snow42%5 mph
1 AM35°Chance Rain And Snow50%5 mph
2 AM34°Rain And Snow Likely70%7 mph
3 AM33°Chance Rain And Snow37%7 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Line: temperature °F. Bars: chance of precipitation.

MonNow34°67%3
11 PM35°43%3
Tue 10/2712 AM34°42%5
1 AM35°50%5
2 AM34°70%7
3 AM33°37%7
4 AM33°25%8
5 AM33°17%8
6 AM31°3%8
7 AM32°3%9
8 AM30°2%8
9 AM30°3%9
10 AM33°2%12
11 AM35°2%14
12 PM36°5%15
1 PM38°7%15
2 PM39°7%15
3 PM39°10%14
4 PM41°14%13
5 PM39°7%9
6 PM37°8%6
7 PM35°7%6
8 PM33°2%6
9 PM32°8%8
10 PM32°0%8
11 PM31°0%8
Wed 10/2812 AM31°0%6
1 AM30°0%6
2 AM29°0%6
3 AM28°0%6
4 AM28°0%6
5 AM28°0%6
6 AM27°1%6
7 AM26°1%6
8 AM26°1%6
9 AM26°1%6
10 AM29°1%6
11 AM33°1%6
12 PM37°5%10
1 PM39°5%10
2 PM41°5%10
3 PM41°5%12
4 PM40°5%12
5 PM39°5%12
6 PM36°1%3
7 PM34°1%3
8 PM32°1%3
9 PM31°1%5
10 PM30°1%5
11 PM29°1%5
Thu 10/2912 AM28°0%3
1 AM28°0%3
2 AM27°0%3
3 AM26°0%2
4 AM25°0%2
5 AM25°0%2
6 AM24°1%2
7 AM24°1%2
8 AM23°1%2
9 AM24°1%3
10 AM28°1%3
11 AM33°1%3
12 PM37°0%3
1 PM40°0%3
2 PM42°0%3
3 PM42°0%6
4 PM41°0%6
5 PM38°0%6
6 PM36°3%3
7 PM34°3%3
8 PM33°3%3
9 PM32°3%2
10 PM32°3%2
11 PM32°3%2
Fri 10/3012 AM32°1%0
1 AM31°1%0
2 AM31°1%0
3 AM30°1%0
4 AM30°1%0
5 AM30°1%0
6 AM30°21%0
7 AM29°21%0
8 AM28°21%0
9 AM28°21%1
10 AM30°21%1
11 AM33°21%1
12 PM36°19%3
1 PM38°19%3
2 PM40°19%3
3 PM41°19%5
4 PM40°19%5
5 PM38°19%5
6 PM36°34%2
7 PM35°34%2
8 PM34°34%2
9 PM33°34%2
10 PM33°34%2
11 PM33°34%2
Sat 10/3112 AM33°18%1
1 AM33°18%1
2 AM32°18%1
3 AM32°18%1
4 AM32°18%1
5 AM32°18%1
6 AM32°9%1
7 AM31°9%1
8 AM29°9%1
9 AM29°9%2
10 AM31°9%2
11 AM35°9%2
12 PM38°20%2
1 PM40°20%2
2 PM42°20%2
3 PM42°20%5
4 PM41°20%5
5 PM39°20%5
6 PM37°34%2
7 PM35°34%2
8 PM34°34%2
9 PM33°34%0
10 PM33°34%0
11 PM34°34%0
Sun 11/112 AM34°33%2
1 AM34°33%2
1 AM33°33%2
2 AM33°33%1
3 AM33°33%1
4 AM32°33%1
5 AM32°24%2
6 AM31°24%2
7 AM30°24%2
8 AM30°24%2
9 AM32°24%2
10 AM34°24%2
11 AM37°17%3
12 PM39°17%3
1 PM40°17%3
2 PM40°17%6
3 PM39°17%6
4 PM37°17%6
5 PM35°20%5
6 PM34°20%5
7 PM33°20%5
8 PM32°20%6
9 PM32°20%6
10 PM31°20%6
11 PM31°21%7
Mon 11/212 AM31°21%7
1 AM30°21%7
2 AM30°21%5
3 AM30°21%5
4 AM29°21%5
5 AM29°15%5
6 AM28°15%5
7 AM27°15%5
8 AM27°15%5

Temperature °F · chance of precipitation · wind in mph

NWS hourly forecast updated 10/26/2026, 4:11 PM MDT

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Nearby hazards

Montana hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

Severe storm outlook today:General thunderstormsOutlook map
Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
River gauges within 40 miles at or above flood stage: None reported
Active wildfires within 50 miles: None reported

Drought

By county

Jefferson County, week of 10/20/2026

No drought or abnormal dryness in this county.

Frequently asked questions

Will it rain in Boulder, MT in the next 24 hours?: The hourly forecast shows a 67% chance of precipitation around 10/26/2026, 10:00 PM MDT.
What time is sunrise and sunset in Boulder, MT today?: Sunrise is about 8:01 AM MDT and sunset is about 6:23 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Boulder, MT?: At Boulder, the 1991 to 2020 normal high in October is 57°F and the normal low is 28°F.

Sun and moon

Local time, center of the area

Sunrise: 8:01 AM
Sunset: 6:23 PM
Daylight: 10 hr 22 min
Moon: Full Moon 99% lit

First light (civil dawn): 7:30 AM
Last light (civil dusk): 6:54 PM
Moonrise: 6:11 PM
Moonset: 8:50 AM

Normal October weather

Climate

Normal October high 57°, low 28°, precipitation 0.64 in for the month. 1991 to 2020 normals at Boulder, 1 mi away.

Other places nearby

Data sources

National Weather Service APINOAA
Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
National Water Prediction ServiceNOAA National Weather Service
WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
AirNowU.S. Environmental Protection Agency
NWS HeatRisk (experimental)NOAA National Weather Service
U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research

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About this data

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