National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
Read More...

Hazardous Weather Conditions

Current Conditions

En Español

Share |

West Branch IA

7 Day Forecast

For More Weather Information:

Quad Cities, IA/IL Local Forecast Office

Today

Thunderstorms Chance for Measurable Precipitation 80%

Thunderstorms

High: 32 °C

Tonight

Partly Cloudy

Partly
Cloudy

Low: 23 °C

Sunday

Sunny

Sunny

High: 33 °C

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 22 °C

Monday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 32 °C

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 20 °C

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 31 °C

Tuesday
Night

Thunderstorms Likely

Thunderstorms
Likely

Low: 21 °C

Wednesday

Thunderstorms Likely

Thunderstorms
Likely

High: 28 °C

Detailed Forecast

  • Today Showers and thunderstorms, mainly before 11am. Areas of fog before 9am. High near 32. Southeast wind 10 to 15 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
  • Tonight Partly cloudy, with a low around 23. East wind 10 to 15 km/h.
  • Sunday Sunny, with a high near 33. South wind 10 to 20 km/h.
  • Sunday Night A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 22.
  • Monday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32.
  • Monday Night A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 20.
  • Tuesday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 31.
  • Tuesday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 21.
  • Wednesday Showers and thunderstorms likely. Mostly cloudy, with a high near 28.
  • Wednesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 17.
  • Thursday A chance of showers and thunderstorms. Partly sunny, with a high near 24.
  • Thursday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14.
  • Friday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 24.