What is the high temperature today in Sweet Grass, MT?

The National Weather Service forecast for this afternoon calls for a high near 33°F. Mostly Cloudy.

Will it rain in Sweet Grass, MT in the next 24 hours?

The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.

What time is sunrise and sunset in Sweet Grass, MT today?

Sunrise is about 8:10 AM MDT and sunset is about 6:12 PM MDT (calculated for the center of the area, within a few minutes).

What is the normal October weather in Sweet Grass, MT?

At Sweetgrass, the 1991 to 2020 normal high in October is 57°F and the normal low is 32°F.

Checked Oct 29, 2026

Sweet Grass, MT Weather

Today: Mostly Cloudy, high 33°F, low 28°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Sweet Grass, MT current weather

32°F

Mostly Cloudy

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

H 33° / L 28°

Dense Fog Advisory in effect
No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 11:31 AM PT

1 active alert

From the National Weather Service for this forecast zone or county

State alerts

Moderate1Possible threat to life or property

Dense Fog AdvisoryNorthern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern High Plains; Eastern Pondera and Eastern Teton; Cascade County below 5000ft; Gates of the MountainsUntil Fri 10/30/2026, 12:00 PM MDT · NWS Great Falls MT

Hourly forecast

NWS, updated 10/29/2026, 11:31 AM PT

Now32°
4 PM33°
5 PM33°
6 PM31°
7 PM31°
8 PM31°
9 PM30°
10 PM29°
11 PM29°
12 AM29°Fri
1 AM29°12%
2 AM29°12%
3 AM29°12%
4 AM29°12%
5 AM29°12%
6 AM28°
7 AM29°
8 AM29°
9 AM30°
10 AM32°
11 AM32°
12 PM34°
1 PM35°
2 PM36°
3 PM36°
4 PM37°
5 PM36°
6 PM35°
7 PM34°
8 PM33°
9 PM33°
10 PM32°
11 PM32°
12 AM32°Sat
1 AM31°
2 AM31°
3 AM30°
4 AM30°
5 AM30°
6 AM28°
7 AM29°
8 AM29°
9 AM30°
10 AM34°
11 AM38°
12 PM42°
1 PM46°
2 PM48°

7-day forecast

Tap a day for details

Today10/2912% chance of precipitationLow 28°High 33°
This Afternoon: Mostly cloudy, with a high near 33. East northeast wind around 5 mph.
Tonight: Patchy fog. Cloudy, with a low around 28. East wind around 6 mph.
Mostly Cloudy
Fri10/30Low 28°High 37°
Friday: Areas of fog before noon. Cloudy, with a high near 37. Southeast wind 2 to 8 mph.
Friday Night: Areas of fog after 7pm. Mostly cloudy, with a low around 28. South wind around 5 mph.
Areas Of Fog then Cloudy
Sat10/3126% chance of precipitationLow 32°High 49°
Saturday: Mostly sunny, with a high near 49. South southwest wind 6 to 9 mph.
Saturday Night: A chance of rain after 5am. Mostly cloudy, with a low around 32. South southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Mostly Sunny
Sun11/151% chance of precipitationLow 32°High 44°
Sunday: A chance of rain. Mostly cloudy, with a high near 44. Northwest wind around 6 mph.
Sunday Night: A chance of rain before 5am. Mostly cloudy, with a low around 32. Northwest wind 6 to 9 mph.
Chance Light Rain
Mon11/212% chance of precipitationLow 33°High 47°
Monday: Mostly sunny, with a high near 47.
Monday Night: Partly cloudy, with a low around 33.
Mostly Sunny
Tue11/3Low 31°High 49°
Tuesday: Mostly sunny, with a high near 49.
Tuesday Night: Partly cloudy, with a low around 31.
Mostly Sunny
Wed11/4Low 31°High 45°
Wednesday: Mostly sunny, with a high near 45.
Wednesday Night: Partly cloudy, with a low around 31.
Mostly Sunny

Forecast for 48.994, -111.967 from the NWS TFX office, updated 10/29/2026, 11:31 AM PT · 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

Now32°Mostly Cloudy0%5 mph
4 PM33°Mostly Cloudy0%5 mph
5 PM33°Mostly Cloudy0%5 mph
6 PM31°Patchy Fog0%6 mph
7 PM31°Patchy Fog0%5 mph
8 PM31°Patchy Fog0%5 mph

Hourly details

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

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Sweet Grass, MT?: The National Weather Service forecast for this afternoon calls for a high near 33°F. Mostly Cloudy.
Will it rain in Sweet Grass, MT in the next 24 hours?: The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Sweet Grass, MT today?: Sunrise is about 8:10 AM MDT and sunset is about 6:12 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Sweet Grass, MT?: At Sweetgrass, the 1991 to 2020 normal high in October is 57°F and the normal low is 32°F.

Nearby hazards

Montana hazards

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

Severe storm outlook today:No thunderstorm risk area over this locationOutlook 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

Toole County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise: 8:10 AM
Sunset: 6:12 PM
Daylight: 10 hr 1 min
Moon: Waning Gibbous 85% lit

First light (civil dawn): 7:38 AM
Last light (civil dusk): 6:45 PM
Moonrise: 8:14 PM
Moonset: 12:59 PM

Normal October weather

Climate

Normal October high 57°, low 32°. 1991 to 2020 normals at Sweetgrass, 0 mi away.

Other places nearby

Cut Bank

Data sources

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

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About this data

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