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.

58°F

14°C

Humidity	47%
Wind Speed	E 0 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	17 Jun 08:39 PM MDT

More Information:

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

Extended Forecast for

15 Miles WNW Nye MT

Tonight
Low: 40 °F
Partly Cloudy
Thursday
High: 64 °F
Sunny
Thursday Night
Low: 40 °F
Partly Cloudy
Juneteenth
High: 65 °F
Mostly Sunny
Friday Night
Low: 46 °F
Mostly Cloudy
Saturday
High: 64 °F
Chance
Showers then
Showers
Saturday Night
Low: 45 °F
Showers
Likely then
Slight Chance
Showers
Sunday
High: 63 °F
Slight Chance
Showers then
Showers
Likely
Sunday Night
Low: 41 °F
Chance
T-storms then
Slight Chance
Showers

Detailed Forecast

Tonight

Partly cloudy, with a low around 40. Northwest wind 5 to 9 mph becoming south in the evening.

Thursday

Sunny, with a high near 64. West southwest wind 8 to 17 mph becoming northwest in the afternoon.

Thursday Night

Partly cloudy, with a low around 40. North wind 5 to 15 mph becoming east southeast after midnight.

Juneteenth

Mostly sunny, with a high near 65. Southeast wind 5 to 11 mph becoming east northeast in the afternoon.

Friday Night

Mostly cloudy, with a low around 46. East northeast wind 9 to 14 mph becoming light and variable after midnight.

Saturday

A chance of showers, then showers and possibly a thunderstorm after noon. High near 64. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 90%.

Saturday Night

Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 45. Southwest wind around 7 mph. Chance of precipitation is 70%.

Sunday

A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 63. Southwest wind 5 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 60%.

Sunday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 41. North northeast wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 40%.

Monday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 59. Calm wind becoming northeast 5 to 9 mph in the morning. Chance of precipitation is 40%.

Monday Night

Mostly clear, with a low around 41. Northeast wind 5 to 8 mph becoming light and variable after midnight.

Tuesday

Sunny, with a high near 67. Calm wind becoming north northeast 5 to 9 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 45. North northeast wind 5 to 8 mph becoming light and variable after midnight.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71. Light and variable wind becoming northwest 5 to 9 mph in the afternoon.