Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

HORSE THIEF (HORM8)

Lat: 46.42581°NLon: 108.6745°WElev: 3414.0ft.

52°F

11°C

Humidity	97%
Wind Speed	NNE 7 MPH
Barometer	NA
Dewpoint	51°F (11°C)
Visibility	NA
Last update	16 Jul 12:39 AM MDT

More Information:

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

Extended Forecast for

Roundup MT

Overnight
Low: 49 °F
Showers
Likely and
Areas Fog
Wednesday
High: 67 °F
Chance
Showers and
Areas Fog
Wednesday Night
Low: 47 °F
Mostly Cloudy
then Areas
Fog
Thursday
High: 83 °F
Areas Fog
then Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 57 °F
Slight Chance
T-storms then
Partly Cloudy
Saturday
High: 92 °F
Hot
Saturday Night
Low: 58 °F
Slight Chance
T-storms then
Mostly Cloudy

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm. Areas of fog. Otherwise, cloudy, with a low around 49. North northeast wind 9 to 11 mph. Chance of precipitation is 70%.

Wednesday

A 40 percent chance of showers, mainly before 9am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 67. North northeast wind 7 to 9 mph becoming east southeast in the afternoon.

Wednesday Night

Areas of fog after midnight. Otherwise, partly cloudy, with a low around 47. East southeast wind 5 to 9 mph becoming calm after midnight.

Thursday

Areas of fog before 9am. Otherwise, sunny, with a high near 83. Calm wind becoming east northeast 5 to 8 mph in the morning.

Thursday Night

Mostly clear, with a low around 54. Northeast wind 5 to 9 mph becoming calm after midnight.

Friday

Sunny, with a high near 84. Calm wind becoming east northeast around 6 mph in the afternoon.

Friday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. East northeast wind 5 to 7 mph becoming calm after midnight.

Saturday

Sunny and hot, with a high near 92. Calm wind becoming south southwest around 6 mph in the afternoon.

Saturday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58. West southwest wind 5 to 7 mph becoming calm after midnight.

Sunday

Mostly sunny, with a high near 89. Calm wind becoming north 5 to 7 mph in the afternoon.

Sunday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North northeast wind 5 to 7 mph becoming calm after midnight.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Monday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. North wind 3 to 8 mph.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. North wind 3 to 8 mph.