Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

HORSE THIEF (HORM8)

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

64°F

18°C

Humidity	85%
Wind Speed	N 4 MPH
Barometer	NA
Dewpoint	59°F (15°C)
Visibility	NA
Last update	13 Jun 08:39 PM MDT

More Information:

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

Extended Forecast for

Roundup MT

Tonight
Low: 55 °F
Chance
T-storms then
Patchy Fog
Saturday
High: 83 °F
Patchy Fog
then Slight
Chance
T-storms
Saturday Night
Low: 57 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 81 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 55 °F
T-storms then
Chance
Showers
Monday
High: 76 °F
Slight Chance
Showers then
Chance
T-storms
Monday Night
Low: 53 °F
Showers
Likely
Tuesday
High: 73 °F
Showers
Likely
Tuesday Night
Low: 51 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms before midnight. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 55. North wind around 6 mph becoming calm after midnight.

Saturday

A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Northeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 50%.

Sunday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Calm wind becoming northeast 5 to 7 mph in the afternoon.

Sunday Night

Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 55. East northeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 80%.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 50%.

Monday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 53. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

Tuesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51. North northwest wind around 6 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 80. West wind 3 to 8 mph.

Wednesday Night

Mostly clear, with a low around 52. West wind 5 to 7 mph becoming calm in the evening.

Juneteenth

Sunny, with a high near 83. Calm wind becoming east 5 to 8 mph in the afternoon.

Thursday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52. North northeast wind 5 to 9 mph becoming light north after midnight.

Friday

Sunny, with a high near 81. Light north wind becoming north northeast 5 to 9 mph in the morning.