National Weather Service United States Department of Commerce

Flash flooding possible across southern Plains through early Thursday

A wet weather system continues across the southern U.S., with abundant moisture bringing heavy rain and a risk of flash flooding to parts of the southern Plains through early Thursday. The heaviest rain will fall across Oklahoma into western Arkansas. The flash flood threat should diminish later Thursday, as the system weakens over Texas.
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Current Conditions

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3 Miles WSW Helena MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 59 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 90 °F

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 60 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 88 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 60 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 85 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 59 °F

Sunday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 85 °F

Sunday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 58 °F

Detailed Forecast

  • Tonight Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 59. Light and variable wind becoming southwest around 5 mph after midnight. Chance of precipitation is 20%.
  • Thursday A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Light and variable wind becoming north northeast around 6 mph in the afternoon.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. North northeast wind around 6 mph becoming west after midnight.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Light and variable wind becoming east northeast around 6 mph in the afternoon.
  • Friday Night A 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Mostly cloudy, with a low around 60. East wind around 6 mph becoming north northwest after midnight.
  • Saturday A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85.
  • Saturday Night A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 59.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
  • Tuesday A slight chance of showers and thunderstorms. Partly sunny, with a high near 85.
  • Tuesday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
  • Wednesday A slight chance of showers and thunderstorms. Partly sunny, with a high near 88.