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

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

63°F

17°C

Humidity	28%
Wind Speed	NW 4 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	17 Jun 09:15 PM MDT

More Information:

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

Extended Forecast for

12 Miles SSE Helmville MT

Tonight
Low: 43 °F
Chance Rain
then Partly
Cloudy
Thursday
High: 63 °F
Sunny
Thursday Night
Low: 41 °F
Partly Cloudy
Juneteenth
High: 68 °F
Mostly Sunny
Friday Night
Low: 48 °F
Partly Cloudy
Saturday
High: 67 °F
Partly Sunny
Saturday Night
Low: 44 °F
Partly Cloudy
Sunday
High: 63 °F
Mostly Sunny
Sunday Night
Low: 41 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of rain between 10pm and midnight. Partly cloudy, with a low around 43. Northwest wind 5 to 9 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Thursday

Sunny, with a high near 63. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

Thursday Night

Partly cloudy, with a low around 41. North northwest wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.

Juneteenth

Mostly sunny, with a high near 68. East wind 5 to 8 mph.

Friday Night

Partly cloudy, with a low around 48. North wind around 6 mph becoming east southeast after midnight.

Saturday

Partly sunny, with a high near 67.

Saturday Night

Partly cloudy, with a low around 44.