Branch County, MI Weather Forecast
County weather hub
Showers And Thunderstorms Likely
Compare major city weather across Branch County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 85. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
County Weather Overview
This county weather page brings together forecast coverage for Branch County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Branch County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 18 to May 23, 2026
- Latest sync
- May 17, 2026 3:03 AM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Branch County
Monday looks like the warmest upcoming period in Branch County at 85 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Monday at about 10 to 20 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- May 17, 2026 3:03 AM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 90%.
A chance of rain showers before 8am. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Mostly cloudy, with a low around 44.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 68.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 50.
A slight chance of rain showers. Partly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
May 18
|
Showers And Thunderstorms Likely
|
85°F |
10 to 20 mph
S
|
|
Monday Night
May 18
|
Showers And Thunderstorms Likely
|
67°F |
10 to 20 mph
SW
|
|
Tuesday
May 19
|
Showers And Thunderstorms
|
85°F |
10 to 20 mph
SW
|
|
Tuesday Night
May 19
|
Showers And Thunderstorms
|
56°F |
10 to 20 mph
W
|
|
Wednesday
May 20
|
Chance Rain Showers then Partly Sunny
|
65°F |
10 to 15 mph
NW
|
|
Wednesday Night
May 20
|
Mostly Cloudy
|
44°F |
10 to 15 mph
N
|
|
Thursday
May 21
|
Mostly Sunny
|
64°F |
10 mph
NE
|
|
Thursday Night
May 21
|
Partly Cloudy
|
46°F |
5 to 10 mph
E
|
|
Friday
May 22
|
Mostly Sunny
|
68°F |
5 to 10 mph
E
|
|
Friday Night
May 22
|
Mostly Cloudy then Slight Chance Rain Showers
|
50°F |
10 mph
NE
|
|
Saturday
May 23
|
Slight Chance Rain Showers
|
73°F |
10 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Branch County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Branch County.
Largest mapped city population in this region: 4,059.
