Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

MAIN BOULDER (MBRM8)

Lat: 45.45813°NLon: 110.19768°WElev: 5405.0ft.

43°F

6°C

Humidity	77%
Wind Speed	SE 2 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	18 Jun 04:39 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

16 Miles NW Silver Gate MT

Today
High: 55 °F
Sunny
Tonight
Low: 31 °F
Partly Cloudy
Juneteenth
High: 60 °F
Partly Sunny
Friday Night
Low: 40 °F
Mostly Cloudy
Saturday
High: 53 °F
Chance
Showers then
Showers
Saturday Night
Low: 36 °F
Showers then
Slight Chance
Showers
Sunday
High: 52 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 32 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 50 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 55. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.

Tonight

Partly cloudy, with a low around 31. West northwest wind 9 to 18 mph becoming east northeast after midnight.

Juneteenth

Partly sunny, with a high near 60. Southeast wind 9 to 14 mph becoming west southwest in the afternoon.

Friday Night

Mostly cloudy, with a low around 40. West wind 9 to 14 mph becoming southeast after midnight.

Saturday

A chance of showers, then showers and possibly a thunderstorm after noon. High near 53. South wind 9 to 11 mph becoming west in the afternoon. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm before midnight, then a slight chance of showers. Low around 36. West wind 6 to 9 mph. Chance of precipitation is 80%.

Sunday

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 52. West wind 6 to 13 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 32. Northwest wind 5 to 10 mph becoming light and variable after midnight.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 50. Light and variable wind becoming northwest 8 to 13 mph in the morning. Chance of precipitation is 30%.

Monday Night

Mostly clear, with a low around 31. North northwest wind 5 to 13 mph becoming east after midnight.

Tuesday

Sunny, with a high near 57. East wind 5 to 14 mph becoming west in the afternoon.

Tuesday Night

Mostly clear, with a low around 36. Northwest wind 5 to 11 mph becoming east southeast after midnight.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 58. Southeast wind 5 to 14 mph becoming west in the afternoon.