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.

41°F

5°C

Humidity	83%
Wind Speed	SE 2 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	18 Jun 06:39 AM MDT

More Information:

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

Extended Forecast for

14 Miles NNW Silver Gate MT

Today
High: 59 °F
Sunny
Tonight
Low: 33 °F
Mostly Clear
Juneteenth
High: 64 °F
Mostly Sunny
Friday Night
Low: 41 °F
Mostly Cloudy
Saturday
High: 57 °F
Chance
Showers then
Showers
Saturday Night
Low: 38 °F
Showers then
Slight Chance
Showers
Sunday
High: 57 °F
Slight Chance
Showers then
Showers
Likely
Sunday Night
Low: 33 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 55 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 59. Light west wind becoming west northwest 9 to 14 mph in the morning.

Tonight

Mostly clear, with a low around 33. West northwest wind 5 to 14 mph becoming northeast after midnight.

Juneteenth

Mostly sunny, with a high near 64. East southeast wind 5 to 10 mph becoming west southwest in the afternoon.

Friday Night

Mostly cloudy, with a low around 41. West southwest wind 5 to 9 mph becoming south southeast after midnight.

Saturday

A chance of showers, then showers and possibly a thunderstorm after noon. High near 57. South southwest wind 5 to 7 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 38. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%.

Sunday

A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 57. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 33. Northwest wind 5 to 9 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 55. Light and variable wind becoming northwest 6 to 11 mph in the morning. Chance of precipitation is 40%.

Monday Night

Partly cloudy, with a low around 33. North northwest wind 6 to 11 mph becoming east after midnight.

Tuesday

Sunny, with a high near 62. East southeast wind 5 to 11 mph becoming west in the afternoon.

Tuesday Night

Mostly clear, with a low around 37. Northwest wind 5 to 10 mph becoming southeast after midnight.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 62. South southeast wind 5 to 13 mph becoming west in the afternoon.