| NWS Forecast for: Monmouth IL Issued by: National Weather Service Quad Cities, IA/IL Last Update: 1:27 pm CDT Jul 21, 2026 |  |
| This Afternoon: Sunny, with a high near 82. Northwest wind around 15 mph, with gusts as high as 25 mph. Tonight: Clear, with a low around 59. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Wednesday: Increasing clouds, with a high near 76. North wind around 5 mph. Wednesday Night: Mostly clear, with a low around 54. North wind around 5 mph becoming calm. Thursday: Sunny, with a high near 78. Thursday Night: Mostly cloudy, with a low around 58. Friday: Partly sunny, with a high near 77. Friday Night: Partly cloudy, with a low around 60. Saturday: Mostly sunny, with a high near 85. Saturday Night: Mostly clear, with a low around 68. Sunday: Sunny, with a high near 92. Sunday Night: Mostly clear, with a low around 73. Monday: Sunny, with a high near 94. | |
| Monmouth IL 40.9°N 90.65°W (Elev. 774 ft) | |
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